Add note about mailing list in README.

Got rid of context thing which misleads due to existance of stdlib's
context package.

Also fixed golangci-lint configuration.

Fixes #20.

.drone.yml

@@ -1,32 +1,58 @@
 ---
 kind: pipeline
 type: docker
-name: build
+name: lint and test
 
 steps:
   - name: lint
-    image: golangci/golangci-lint:v1.46.2
+    image: code.pztrn.name/containers/mirror/golangci/golangci-lint:v1.48.0
+    pull: if-not-exists
     environment:
       CGO_ENABLED: 0
     commands:
       - golangci-lint run
 
   - name: test
-    image: golang:1.18.3-alpine
+    image: code.pztrn.name/containers/mirror/golang:1.19.0-alpine
+    pull: if-not-exists
     environment:
       CGO_ENABLED: 0
     commands:
       - go test ./...
 
-  - name: docker
+---
-    image: plugins/docker
+kind: pipeline
+type: docker
+name: build docker images
+
+depends_on:
+  - "lint and test"
+
+steps:
+  - name: build master image
+    image: code.pztrn.name/containers/mirror/plugins/docker:20.13.0
+    pull: if-not-exists
+    privileged: true
     when:
       branch: ["master"]
+    settings:
+      registry: code.pztrn.name
+      username: drone
+      password:
+        from_secret: drone_secret
+      repo: code.pztrn.name/apps/fastpastebin
+      auto_tag: true
+
+  - name: build tagged image
+    image: code.pztrn.name/containers/mirror/plugins/docker:20.13.0
+    pull: if-not-exists
+    privileged: true
+    when:
       event: ["tag"]
     settings:
       registry: code.pztrn.name
       username: drone
       password:
         from_secret: drone_secret
-      repo: code.pztrn.name/pztrn/fastpastebin
+      repo: code.pztrn.name/apps/fastpastebin
       auto_tag: true

.golangci.yml

@@ -15,6 +15,14 @@ linters:
     # This linter MIGHT BE good, but who decided that I want keepFor in
     # JSON instead of keep_for for KeepFor field?
     - tagliatelle
+    # Why it is bad to return an interface? No one knows, except authors of this linter.
+    - ireturn
+    # Some structs will contain context, and it's cancelFunc.
+    - containedctx
+    # Deprecated.
+    - exhaustivestruct
+    - golint
+    - wrapcheck
 linters-settings:
   lll:
     line-length: 420

.markdownlint.json

@@ -0,0 +1,5 @@
+{
+        "line-length": false,
+        "first-line-h1": false,
+        "no-duplicate-header": false
+}

CHANGELOG.md

@@ -1,12 +1,84 @@
 # Changelog
 
-``[A]`` - added
+All notable changes to this project will be documented in this file.
-``[F]`` - fixed
-``[R]`` - removed
 
----
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## 0.1.0
+## [Unreleased]
+
+## [0.4.1] - 2022-08-14
+
+### Changed
+
+* Update docker images - alpine to 3.16.1, golang to 1.19, golangci-lint to 1.48.0.
+* Update chroma to v2.2.0.
+* Update bulma to 0.9.4.
+* Update bulma-tooltip to 1.2 (was 3.0.0, but repo was switched to CreativeBulma).
+* Update github.com/dchest/captcha to v1.0.0.
+
+### Fixed
+
+* Put valid repository's link in footer.
+
+### Removed
+
+* Removed `flagger` dependency.
+
+## [0.4.0] - 2021-01-09
+
+### Added
+
+* PostgreSQL support.
+* Docker containerization for every commit and tag.
+* Pastes cleanup procedure.
+
+### Changed
+
+* Updated bulma to v 0.7.5.
+* Moved from `io/ioutil` to `os` package for reading/writing files and directories.
+
+### Fixed
+
+* Dirty hack to get database connection reestablish (for sure).
+
+## 0.3.0
+
+Release changelogs lost :(.
+
+## [0.2.0] - 2018-05-27
+
+### Added
+
+* Possibility to create different database backends. Currently `mysql` and `flatfiles` are available.
+
+### Changed
+
+* De-hardcoded pagination configuration, it is now configurable via configuration file.
+
+## [0.1.1] - 2018-05-26
+
+### Added
+
+* Footer copyrights.
+
+### Changed
+
+* Refactored templates: now they're included in each other if neccessary.
+
+### Fixed
+
+* Fixed nasty bugs with private pastes that causing fastpastebin to crash.
+* Logger level from configuration now properly set.
+
+## [0.1.0] - 2018-05-19
 
 First normal release. Fast Paste Bin is able to handle public, private
-and passworded pastes.
+and passworded pastes.
+
+[Unreleased]: https://code.pztrn.name/apps/fastpastebin/compare/v0.4.1...HEAD
+[0.4.1]: https://code.pztrn.name/apps/fastpastebin/compare/0.4.0...v0.4.1
+[0.4.0]: https://code.pztrn.name/apps/fastpastebin/compare/v0.2.0...0.4.0
+[0.2.0]: https://code.pztrn.name/apps/fastpastebin/compare/v0.1.1...v0.2.0
+[0.1.1]: https://code.pztrn.name/apps/fastpastebin/compare/v0.1.0...v0.1.1
+[0.1.0]: https://code.pztrn.name/apps/fastpastebin/src/tag/v0.1.0

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.16.5-alpine AS build
+FROM code.pztrn.name/containers/mirror/golang:1.19.0-alpine AS build
 
 WORKDIR /fastpastebin
 COPY . .
@@ -7,7 +7,7 @@ WORKDIR /fastpastebin/cmd/fastpastebin
 
 RUN CGO_ENABLED=0 go build -tags netgo
 
-FROM alpine:3.13
+FROM code.pztrn.name/containers/mirror/alpine:3.16.1
 LABEL maintainer "Stanislav N. <pztrn@pztrn.name>"
 
 COPY --from=build /fastpastebin/cmd/fastpastebin/fastpastebin /app/fastpastebin

README.md

@@ -1,9 +1,13 @@
 # Fast Pastebin
 
-[![Build Status](https://github-ci.pztrn.name/api/badges/pztrn/fastpastebin/status.svg)](https://github-ci.pztrn.name/pztrn/fastpastebin) ![Keybase XLM](https://img.shields.io/keybase/xlm/pztrn)
+[![Build Status](https://ci.code.pztrn.name/api/badges/apps/fastpastebin/status.svg)](https://ci.code.pztrn.name/apps/fastpastebin)
 
 Easy-to-use-and-install pastebin software written in Go. No bells or whistles, no websockets and even NO JAVASCRIPT!
 
+**Please, use [my gitea](https://code.pztrn.name/apps/fastpastebin) for bug reporting. All other places are mirrors!**
+
+Also, [join Matrix room](https://matrix.to/#/%23fastpastebin:pztrn.online?via=matrix.org) for near-realtime chat. Also there is a [mailing list](https://lists.pztrn.name/postorius/lists/fastpastebin.lists.pztrn.name/) if you prefer to ask asynchronously.
+
 ## Current functionality
 
 * Create and view public and private pastes.
@@ -14,38 +18,64 @@ Easy-to-use-and-install pastebin software written in Go. No bells or whistles, n
 
 ## Caveats
 
-* No links at lines numbers. See [this Chroma bug](https://github.com/alecthomas/chroma/issues/132)
+* Not known at this moment.
 
 ## Installation and updating
 
 Just issue:
 
 ```bash
-CGO_ENABLED=0 go get -u -v go.dev.pztrn.name/fastpastebin/cmd/fastpastebin
+CGO_ENABLED=0 go install go.dev.pztrn.name/fastpastebin/cmd/fastpastebin@VERSION
 ```
 
+Replace `VERSION` with a [tag of your choice](https://code.pztrn.name/apps/fastpastebin/releases).
+
 This command can be used to update Fast Paste Bin.
 
+Also Fast Paste Bin is dockerized, see [here](https://code.pztrn.name/apps/-/packages/container/fastpastebin) for instructions.
+
+Compose file with resources limits, as used by me:
+
+```yaml
+---
+version: "2.4"
+
+services:
+  fastpastebin:
+    restart: always
+    image: code.pztrn.name/apps/fastpastebin:0.4.1
+    volumes:
+      - "./fastpastebin.yaml:/app/fastpastebin.yaml"
+    ports:
+      - "25544:25544"
+    cpus: 2
+    mem_limit: 1G
+    memswap_limit: 0
+```
+
 ## Configuration
 
 Take a look at [example configuration file](examples/fastpastebin.yaml.dist) which contains all supported options and their descriptions.
 
-Configuration file position is irrelevant, there is no hardcoded paths where Fast Paste Bin looking for it's configuration. Use ``-config`` CLI parameter or ``FASTPASTEBIN_CONFIG`` environment variable to specify path.
+Configuration file position is irrelevant, there is no hardcoded paths where Fast Paste Bin looking for it's configuration. Use ``FASTPASTEBIN_CONFIG`` environment variable to specify path.
 
 ## Developing
 
-Developers should install [fileb0x](https://github.com/UnnoTed/fileb0x/) which is used as replacement to go-bindata for embedding assets into binary. After changing assets they should be recompiled into Go code. At repository root execute this command and you'll be fine:
+### Branching, versions, etc
 
-```bash
+There is a `develop` branch which represents current development state. **All new commits (by me) and merge requests (by others) should go to that branch**.
-fileb0x fileb0x.yml
-```
 
-Also if you're changed list of assets (by creating or deleting them) be sure to fix files list in ``fileb0x.yml`` file!
+Branch `master` represents "latest version" state and always stable.
 
-The rest is default - use linters, formatters, etc. VSCode with Go plugin is recommended for developing as it will perform most of linting-formatting
+### Code
-actions automagically. Try to follow [Go's code review comments](https://github.com/golang/go/wiki/CodeReviewComments) with few exceptions:
+
+Use linters, formatters, etc. VSCode with Go plugin is recommended for developing as it will perform most of linting-formatting
+actions automagically.
+
+Also, Sublime Text with LSP-gopls will also work just fine.
+
+Try to follow [Go's code review comments](https://github.com/golang/go/wiki/CodeReviewComments) with few exceptions:
 
-* Imports should be organized in 3 groups: stdlib, local, other. See [this file](https://sources.dev.pztrn.name/fastpastebin/fastpastebin/src/branch/master/domains/pastes/paste_get.go) for example.
 * We're not forcing any limits on line length for code, only for comments, they should be 72-76 chars long.
 
 ## ToDo

assets/assets.go

@@ -1,3 +1,4 @@
+//nolint:gofmt,gofumpt,goimports
 package assets
 
 import "embed"

assets/footer.html

@@ -5,7 +5,7 @@
             <strong>{version}</strong> by
             <a href="https://pztrn.name">Stanislav N. aka pztrn</a>. The source code is licensed
             <a href="http://opensource.org/licenses/mit-license.php">MIT</a>. Get
-            <a href="https://gitlab.pztrn.name/fastpastebin/fastpastebin">source or binary releases here</a>!
+            <a href="https://code.pztrn.name/apps/fastpastebin">source or binary releases here</a>!
         </p>
     </div>
 </div>

assets/index.html

@@ -38,13 +38,13 @@
                         </div>
                     </div>
                 </div>
-                <div class="field tooltip is-tooltip-bottom is-tooltip-multiline" data-tooltip="Should this paste be accessible only with special URL and not shown in pastes list? WARNING: If you'll enter password into 'Password for paste' field this checkbox will be assumed as checked!">
+                <div class="field tooltip is-tooltip-bottom is-tooltip-multiline has-tooltip-arrow" data-tooltip="Should this paste be accessible only with special URL and not shown in pastes list? WARNING: If you'll enter password into 'Password for paste' field this checkbox will be assumed as checked!">
                     <label class="checkbox">
                         <input type="checkbox" name="paste-private" id="paste-private"> Private paste with unique URL?
                     </label>
                 </div>
                 <div>OR</div>
-                <div class="field tooltip is-tooltip-bottom is-tooltip-multiline" data-tooltip="If you'll enter password here - 'Private paste with unique URL' checkbox will be assumed as checked.">
+                <div class="field tooltip is-tooltip-bottom is-tooltip-multiline has-tooltip-arrow" data-tooltip="If you'll enter password here - 'Private paste with unique URL' checkbox will be assumed as checked.">
                     <label for="paste-password">Password for paste:</label>
                     <div class="control">
                         <input class="input" type="text" placeholder="Enter password." name="paste-password" id="paste-password">
@@ -78,4 +78,4 @@
             </div>
         </div>
     </form>
-</section>
+</section>

assets/main.html

@@ -5,8 +5,8 @@
     <meta charset="utf-8">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <title>Fast Paste Bin</title>
-    <link rel="stylesheet" href="/static/css/bulma-0.7.5.min.css">
+    <link rel="stylesheet" href="/static/css/bulma-0.9.4.min.css">
-    <link rel="stylesheet" href="/static/css/bulma-tooltip-3.0.0.min.css">
+    <link rel="stylesheet" href="/static/css/bulma-tooltip-1.2.min.css">
     <link rel="stylesheet" href="/static/css/style.css">
 </head>
 
@@ -17,4 +17,4 @@
     {footer}
 </footer>
 
-</html>
+</html>

cmd/fastpastebin/fastpastebin.go

@@ -32,46 +32,43 @@ import (
 	"go.dev.pztrn.name/fastpastebin/domains/dbnotavailable"
 	"go.dev.pztrn.name/fastpastebin/domains/indexpage"
 	"go.dev.pztrn.name/fastpastebin/domains/pastes"
+	"go.dev.pztrn.name/fastpastebin/internal/application"
 	"go.dev.pztrn.name/fastpastebin/internal/captcha"
-	"go.dev.pztrn.name/fastpastebin/internal/context"
 	"go.dev.pztrn.name/fastpastebin/internal/database"
 	"go.dev.pztrn.name/fastpastebin/internal/templater"
 )
 
 func main() {
-	appCtx := context.New()
-	appCtx.Initialize()
-
-	appCtx.Logger.Info().Msg("Starting Fast Pastebin...")
-
-	// Here goes initial initialization for packages that want CLI flags
-	// to be added.
-
-	// Parse flags.
-	appCtx.Flagger.Parse()
-
-	// Continue loading.
-	appCtx.LoadConfiguration()
-	appCtx.InitializePost()
-	database.New(appCtx)
-	appCtx.Database.Initialize()
-	templater.Initialize(appCtx)
-
-	captcha.New(appCtx)
-
-	dbnotavailable.New(appCtx)
-	indexpage.New(appCtx)
-	pastes.New(appCtx)
-
 	// CTRL+C handler.
 	signalHandler := make(chan os.Signal, 1)
 	shutdownDone := make(chan bool, 1)
 
 	signal.Notify(signalHandler, os.Interrupt, syscall.SIGTERM)
 
+	app := application.New()
+	app.Log.Info().Msg("Starting Fast Pastebin...")
+
+	database.New(app)
+	app.Database.Initialize()
+	templater.Initialize(app)
+
+	captcha.New(app)
+
+	dbnotavailable.New(app)
+	indexpage.New(app)
+	pastes.New(app)
+
+	if err := app.Start(); err != nil {
+		app.Log.Fatal().Err(err).Msg("Failed to start Fast Pastebin!")
+	}
+
 	go func() {
 		<-signalHandler
-		appCtx.Shutdown()
+
+		if err := app.Shutdown(); err != nil {
+			app.Log.Error().Err(err).Msg("Fast Pastebin failed to shutdown!")
+		}
+
 		shutdownDone <- true
 	}()
 

domains/dbnotavailable/dbnotavailable.go

@@ -35,11 +35,11 @@ import (
 func dbNotAvailableGet(ec echo.Context) error {
 	htmlData := templater.GetTemplate(ec, "database_not_available.html", nil)
 
-	// nolint:wrapcheck
+	//nolint:wrapcheck
 	return ec.HTML(http.StatusInternalServerError, htmlData)
 }
 
 func dbNotAvailableRawGet(ec echo.Context) error {
-	// nolint:wrapcheck
+	//nolint:wrapcheck
 	return ec.String(http.StatusInternalServerError, "Database not available\nSomething went wrong while trying to connect to database. Check logs for details.")
 }

domains/dbnotavailable/exported.go

@@ -25,16 +25,16 @@
 package dbnotavailable
 
 import (
-	"go.dev.pztrn.name/fastpastebin/internal/context"
+	"go.dev.pztrn.name/fastpastebin/internal/application"
 )
 
-var c *context.Context
+var app *application.Application
 
 // New initializes pastes package and adds necessary HTTP and API
 // endpoints.
-func New(cc *context.Context) {
+func New(cc *application.Application) {
-	c = cc
+	app = cc
 
-	c.Echo.GET("/database_not_available", dbNotAvailableGet)
+	app.Echo.GET("/database_not_available", dbNotAvailableGet)
-	c.Echo.GET("/database_not_available/raw", dbNotAvailableRawGet)
+	app.Echo.GET("/database_not_available/raw", dbNotAvailableRawGet)
 }

domains/indexpage/exported.go

@@ -25,15 +25,15 @@
 package indexpage
 
 import (
-	"go.dev.pztrn.name/fastpastebin/internal/context"
+	"go.dev.pztrn.name/fastpastebin/internal/application"
 )
 
-var c *context.Context
+var app *application.Application
 
 // New initializes pastes package and adds necessary HTTP and API
 // endpoints.
-func New(cc *context.Context) {
+func New(cc *application.Application) {
-	c = cc
+	app = cc
 
-	c.Echo.GET("/", indexGet)
+	app.Echo.GET("/", indexGet)
 }

domains/indexpage/indexpage.go

@@ -27,7 +27,7 @@ package indexpage
 import (
 	"net/http"
 
-	"github.com/alecthomas/chroma/lexers"
+	"github.com/alecthomas/chroma/v2/lexers"
 	"github.com/labstack/echo"
 	"go.dev.pztrn.name/fastpastebin/internal/captcha"
 	"go.dev.pztrn.name/fastpastebin/internal/database/dialects/flatfiles"
@@ -37,9 +37,9 @@ import (
 // Index of this site.
 func indexGet(ectx echo.Context) error {
 	// We should check if database connection available.
-	dbConn := c.Database.GetDatabaseConnection()
+	dbConn := app.Database.GetDatabaseConnection()
-	if c.Config.Database.Type != flatfiles.FlatFileDialect && dbConn == nil {
+	if app.Config.Database.Type != flatfiles.FlatFileDialect && dbConn == nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.Redirect(http.StatusFound, "/database_not_available")
 	}
 
@@ -56,6 +56,6 @@ func indexGet(ectx echo.Context) error {
 
 	htmlData := templater.GetTemplate(ectx, "index.html", map[string]string{"lexers": availableLexersSelectOpts, "captchaString": captchaString})
 
-	// nolint:wrapcheck
+	//nolint:wrapcheck
 	return ectx.HTML(http.StatusOK, htmlData)
 }

domains/pastes/exported.go

@@ -27,35 +27,35 @@ package pastes
 import (
 	"regexp"
 
-	"go.dev.pztrn.name/fastpastebin/internal/context"
+	"go.dev.pztrn.name/fastpastebin/internal/application"
 )
 
 var regexInts = regexp.MustCompile("[0-9]+")
 
-var c *context.Context
+var app *application.Application
 
 // New initializes pastes package and adds necessary HTTP and API
 // endpoints.
-func New(cc *context.Context) {
+func New(cc *application.Application) {
-	c = cc
+	app = cc
 
 	////////////////////////////////////////////////////////////
 	// HTTP endpoints.
 	////////////////////////////////////////////////////////////
 	// New paste.
-	c.Echo.POST("/paste/", pastePOSTWebInterface)
+	app.Echo.POST("/paste/", pastePOSTWebInterface)
 	// Show public paste.
-	c.Echo.GET("/paste/:id", pasteGETWebInterface)
+	app.Echo.GET("/paste/:id", pasteGETWebInterface)
 	// Show RAW representation of public paste.
-	c.Echo.GET("/paste/:id/raw", pasteRawGETWebInterface)
+	app.Echo.GET("/paste/:id/raw", pasteRawGETWebInterface)
 	// Show private paste.
-	c.Echo.GET("/paste/:id/:timestamp", pasteGETWebInterface)
+	app.Echo.GET("/paste/:id/:timestamp", pasteGETWebInterface)
 	// Show RAW representation of private paste.
-	c.Echo.GET("/paste/:id/:timestamp/raw", pasteRawGETWebInterface)
+	app.Echo.GET("/paste/:id/:timestamp/raw", pasteRawGETWebInterface)
 	// Verify access to passworded paste.
-	c.Echo.GET("/paste/:id/:timestamp/verify", pastePasswordedVerifyGet)
+	app.Echo.GET("/paste/:id/:timestamp/verify", pastePasswordedVerifyGet)
-	c.Echo.POST("/paste/:id/:timestamp/verify", pastePasswordedVerifyPost)
+	app.Echo.POST("/paste/:id/:timestamp/verify", pastePasswordedVerifyPost)
 	// Pastes list.
-	c.Echo.GET("/pastes/", pastesGET)
+	app.Echo.GET("/pastes/", pastesGET)
-	c.Echo.GET("/pastes/:page", pastesGET)
+	app.Echo.GET("/pastes/:page", pastesGET)
 }

domains/pastes/paste_get.go

@@ -6,10 +6,9 @@ import (
 	"strconv"
 	"time"
 
-	"github.com/alecthomas/chroma"
+	htmlfmt "github.com/alecthomas/chroma/v2/formatters/html"
-	htmlfmt "github.com/alecthomas/chroma/formatters/html"
+	"github.com/alecthomas/chroma/v2/lexers"
-	"github.com/alecthomas/chroma/lexers"
+	"github.com/alecthomas/chroma/v2/styles"
-	"github.com/alecthomas/chroma/styles"
 	"github.com/labstack/echo"
 	"go.dev.pztrn.name/fastpastebin/internal/database/dialects/flatfiles"
 	"go.dev.pztrn.name/fastpastebin/internal/structs"
@@ -31,16 +30,16 @@ const (
 // value (they both will be ignored), but private will.
 func pasteGetData(pasteID int, timestamp int64, cookieValue string) (*structs.Paste, string) {
 	// Get paste.
-	paste, err1 := c.Database.GetPaste(pasteID)
+	paste, err1 := app.Database.GetPaste(pasteID)
 	if err1 != nil {
-		c.Logger.Error().Err(err1).Int("paste ID", pasteID).Msg("Failed to get paste")
+		app.Log.Error().Err(err1).Int("paste ID", pasteID).Msg("Failed to get paste")
 
 		return nil, pasteNotFound
 	}
 
 	// Check if paste is expired.
 	if paste.IsExpired() {
-		c.Logger.Error().Int("paste ID", pasteID).Msg("Paste is expired")
+		app.Log.Error().Int("paste ID", pasteID).Msg("Paste is expired")
 
 		return nil, pasteExpired
 	}
@@ -49,7 +48,7 @@ func pasteGetData(pasteID int, timestamp int64, cookieValue string) (*structs.Pa
 	if paste.Private {
 		pasteTS := paste.CreatedAt.Unix()
 		if timestamp != pasteTS {
-			c.Logger.Error().Int("paste ID", pasteID).Int64("paste timestamp", pasteTS).Int64("provided timestamp", timestamp).Msg("Incorrect timestamp provided for private paste")
+			app.Log.Error().Int("paste ID", pasteID).Int64("paste timestamp", pasteTS).Int64("provided timestamp", timestamp).Msg("Incorrect timestamp provided for private paste")
 
 			return nil, pasteTimestampInvalid
 		}
@@ -78,7 +77,7 @@ func pasteGETWebInterface(ectx echo.Context) error {
 	// error.
 	pasteID, _ := strconv.Atoi(regexInts.FindAllString(pasteIDRaw, 1)[0])
 	pasteIDStr := strconv.Itoa(pasteID)
-	c.Logger.Debug().Int("paste ID", pasteID).Msg("Trying to get paste data")
+	app.Log.Debug().Int("paste ID", pasteID).Msg("Trying to get paste data")
 
 	// Check if we have timestamp passed.
 	// If passed timestamp is invalid (isn't a real UNIX timestamp) we
@@ -89,11 +88,11 @@ func pasteGETWebInterface(ectx echo.Context) error {
 	if tsProvidedStr != "" {
 		tsProvided, err := strconv.ParseInt(tsProvidedStr, 10, 64)
 		if err != nil {
-			c.Logger.Error().Err(err).Int("paste ID", pasteID).Int64("provided timestamp", tsProvided).Msg("Invalid timestamp provided for getting private paste")
+			app.Log.Error().Err(err).Int("paste ID", pasteID).Int64("provided timestamp", tsProvided).Msg("Invalid timestamp provided for getting private paste")
 
 			errtpl := templater.GetErrorTemplate(ectx, "Paste #"+pasteIDStr+" not found")
 
-			// nolint:wrapcheck
+			//nolint:wrapcheck
 			return ectx.HTML(http.StatusBadRequest, errtpl)
 		}
 
@@ -115,16 +114,16 @@ func pasteGETWebInterface(ectx echo.Context) error {
 	if err == pasteExpired || err == pasteNotFound || err == pasteTimestampInvalid {
 		errtpl := templater.GetErrorTemplate(ectx, "Paste #"+pasteIDRaw+" not found")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.HTML(http.StatusNotFound, errtpl)
 	}
 
 	// If passed cookie value was invalid - go to paste authorization
 	// page.
 	if err == pasteCookieInvalid {
-		c.Logger.Info().Int("paste ID", pasteID).Msg("Invalid cookie, redirecting to auth page")
+		app.Log.Info().Int("paste ID", pasteID).Msg("Invalid cookie, redirecting to auth page")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.Redirect(http.StatusMovedPermanently, "/paste/"+pasteIDStr+"/"+ectx.Param("timestamp")+"/verify")
 	}
 
@@ -159,7 +158,7 @@ func pasteGETWebInterface(ectx echo.Context) error {
 	// Tokenize paste data.
 	lexered, err3 := lexer.Tokenise(nil, paste.Data)
 	if err3 != nil {
-		c.Logger.Error().Err(err3).Msg("Failed to tokenize paste data")
+		app.Log.Error().Err(err3).Msg("Failed to tokenize paste data")
 	}
 	// Get style for HTML output.
 	style := styles.Get("monokai")
@@ -167,14 +166,14 @@ func pasteGETWebInterface(ectx echo.Context) error {
 		style = styles.Fallback
 	}
 	// Get HTML formatter.
-	formatter := chroma.Formatter(htmlfmt.New(htmlfmt.WithLineNumbers(true), htmlfmt.LineNumbersInTable(true), htmlfmt.LinkableLineNumbers(true, "L")))
+	formatter := htmlfmt.New(htmlfmt.WithLineNumbers(true), htmlfmt.LineNumbersInTable(true), htmlfmt.LinkableLineNumbers(true, "L"))
 
 	// Create buffer and format into it.
 	buf := new(bytes.Buffer)
 
 	err4 := formatter.Format(buf, style, lexered)
 	if err4 != nil {
-		c.Logger.Error().Err(err4).Msg("Failed to format paste data")
+		app.Log.Error().Err(err4).Msg("Failed to format paste data")
 	}
 
 	pasteData["pastedata"] = buf.String()
@@ -182,7 +181,7 @@ func pasteGETWebInterface(ectx echo.Context) error {
 	// Get template and format it.
 	pasteHTML := templater.GetTemplate(ectx, "paste.html", pasteData)
 
-	// nolint:wrapcheck
+	//nolint:wrapcheck
 	return ectx.HTML(http.StatusOK, pasteHTML)
 }
 
@@ -195,13 +194,13 @@ func pastePasswordedVerifyGet(ectx echo.Context) error {
 	pasteID, _ := strconv.Atoi(regexInts.FindAllString(pasteIDRaw, 1)[0])
 
 	// Get paste.
-	paste, err1 := c.Database.GetPaste(pasteID)
+	paste, err1 := app.Database.GetPaste(pasteID)
 	if err1 != nil {
-		c.Logger.Error().Err(err1).Int("paste ID", pasteID).Msg("Failed to get paste data")
+		app.Log.Error().Err(err1).Int("paste ID", pasteID).Msg("Failed to get paste data")
 
 		errtpl := templater.GetErrorTemplate(ectx, "Paste #"+pasteIDRaw+" not found")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.HTML(http.StatusBadRequest, errtpl)
 	}
 
@@ -209,19 +208,19 @@ func pastePasswordedVerifyGet(ectx echo.Context) error {
 	cookie, err := ectx.Cookie("PASTE-" + strconv.Itoa(pasteID))
 	if err == nil {
 		// No cookie, redirect to auth page.
-		c.Logger.Debug().Msg("Paste cookie found, checking it...")
+		app.Log.Debug().Msg("Paste cookie found, checking it...")
 
 		// Generate cookie value to check.
 		cookieValue := paste.GenerateCryptedCookieValue()
 
 		if cookieValue == cookie.Value {
-			c.Logger.Info().Msg("Valid cookie, redirecting to paste page...")
+			app.Log.Info().Msg("Valid cookie, redirecting to paste page...")
 
-			// nolint:wrapcheck
+			//nolint:wrapcheck
 			return ectx.Redirect(http.StatusMovedPermanently, "/paste/"+pasteIDRaw+"/"+ectx.Param("timestamp"))
 		}
 
-		c.Logger.Debug().Msg("Invalid cookie, showing auth page")
+		app.Log.Debug().Msg("Invalid cookie, showing auth page")
 	}
 
 	// HTML data.
@@ -231,17 +230,17 @@ func pastePasswordedVerifyGet(ectx echo.Context) error {
 
 	verifyHTML := templater.GetTemplate(ectx, "passworded_paste_verify.html", htmlData)
 
-	// nolint:wrapcheck
+	//nolint:wrapcheck
 	return ectx.HTML(http.StatusOK, verifyHTML)
 }
 
 // POST for "/paste/PASTE_ID/TIMESTAMP/verify" - a password verify page.
 func pastePasswordedVerifyPost(ectx echo.Context) error {
 	// We should check if database connection available.
-	dbConn := c.Database.GetDatabaseConnection()
+	dbConn := app.Database.GetDatabaseConnection()
 
-	if c.Config.Database.Type != flatfiles.FlatFileDialect && dbConn == nil {
+	if app.Config.Database.Type != flatfiles.FlatFileDialect && dbConn == nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.Redirect(http.StatusFound, "/database_not_available")
 	}
 
@@ -250,25 +249,25 @@ func pastePasswordedVerifyPost(ectx echo.Context) error {
 	// We already get numbers from string, so we will not check strconv.Atoi()
 	// error.
 	pasteID, _ := strconv.Atoi(regexInts.FindAllString(pasteIDRaw, 1)[0])
-	c.Logger.Debug().Int("paste ID", pasteID).Msg("Requesting paste")
+	app.Log.Debug().Int("paste ID", pasteID).Msg("Requesting paste")
 
 	// Get paste.
-	paste, err1 := c.Database.GetPaste(pasteID)
+	paste, err1 := app.Database.GetPaste(pasteID)
 	if err1 != nil {
-		c.Logger.Error().Err(err1).Int("paste ID", pasteID).Msg("Failed to get paste")
+		app.Log.Error().Err(err1).Int("paste ID", pasteID).Msg("Failed to get paste")
 		errtpl := templater.GetErrorTemplate(ectx, "Paste #"+strconv.Itoa(pasteID)+" not found")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.HTML(http.StatusBadRequest, errtpl)
 	}
 
 	params, err2 := ectx.FormParams()
 	if err2 != nil {
-		c.Logger.Debug().Msg("No form parameters passed")
+		app.Log.Debug().Msg("No form parameters passed")
 
 		errtpl := templater.GetErrorTemplate(ectx, "Paste #"+strconv.Itoa(pasteID)+" not found")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.HTML(http.StatusBadRequest, errtpl)
 	}
 
@@ -281,13 +280,13 @@ func pastePasswordedVerifyPost(ectx echo.Context) error {
 		cookie.Expires = time.Now().Add(24 * time.Hour)
 		ectx.SetCookie(cookie)
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.Redirect(http.StatusFound, "/paste/"+strconv.Itoa(pasteID)+"/"+timestampRaw)
 	}
 
 	errtpl := templater.GetErrorTemplate(ectx, "Invalid password. Please, try again.")
 
-	// nolint:wrapcheck
+	//nolint:wrapcheck
 	return ectx.HTML(http.StatusBadRequest, errtpl)
 }
 
@@ -295,9 +294,9 @@ func pastePasswordedVerifyPost(ectx echo.Context) error {
 // Web interface version.
 func pasteRawGETWebInterface(ectx echo.Context) error {
 	// We should check if database connection available.
-	dbConn := c.Database.GetDatabaseConnection()
+	dbConn := app.Database.GetDatabaseConnection()
-	if c.Config.Database.Type != flatfiles.FlatFileDialect && dbConn == nil {
+	if app.Config.Database.Type != flatfiles.FlatFileDialect && dbConn == nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.Redirect(http.StatusFound, "/database_not_available/raw")
 	}
 
@@ -305,21 +304,21 @@ func pasteRawGETWebInterface(ectx echo.Context) error {
 	// We already get numbers from string, so we will not check strconv.Atoi()
 	// error.
 	pasteID, _ := strconv.Atoi(regexInts.FindAllString(pasteIDRaw, 1)[0])
-	c.Logger.Debug().Int("paste ID", pasteID).Msg("Requesting paste data")
+	app.Log.Debug().Int("paste ID", pasteID).Msg("Requesting paste data")
 
 	// Get paste.
-	paste, err1 := c.Database.GetPaste(pasteID)
+	paste, err1 := app.Database.GetPaste(pasteID)
 	if err1 != nil {
-		c.Logger.Error().Err(err1).Int("paste ID", pasteID).Msg("Failed to get paste from database")
+		app.Log.Error().Err(err1).Int("paste ID", pasteID).Msg("Failed to get paste from database")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.HTML(http.StatusBadRequest, "Paste #"+pasteIDRaw+" does not exist.")
 	}
 
 	if paste.IsExpired() {
-		c.Logger.Error().Int("paste ID", pasteID).Msg("Paste is expired")
+		app.Log.Error().Int("paste ID", pasteID).Msg("Paste is expired")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.HTML(http.StatusBadRequest, "Paste #"+pasteIDRaw+" does not exist.")
 	}
 
@@ -329,29 +328,29 @@ func pasteRawGETWebInterface(ectx echo.Context) error {
 
 		tsProvided, err2 := strconv.ParseInt(tsProvidedStr, 10, 64)
 		if err2 != nil {
-			c.Logger.Error().Err(err2).Int("paste ID", pasteID).Str("provided timestamp", tsProvidedStr).Msg("Invalid timestamp provided for getting private paste")
+			app.Log.Error().Err(err2).Int("paste ID", pasteID).Str("provided timestamp", tsProvidedStr).Msg("Invalid timestamp provided for getting private paste")
 
-			// nolint:wrapcheck
+			//nolint:wrapcheck
 			return ectx.String(http.StatusBadRequest, "Paste #"+pasteIDRaw+" not found")
 		}
 
 		pasteTS := paste.CreatedAt.Unix()
 		if tsProvided != pasteTS {
-			c.Logger.Error().Int("paste ID", pasteID).Int64("provided timestamp", tsProvided).Int64("paste timestamp", pasteTS).Msg("Incorrect timestamp provided for private paste")
+			app.Log.Error().Int("paste ID", pasteID).Int64("provided timestamp", tsProvided).Int64("paste timestamp", pasteTS).Msg("Incorrect timestamp provided for private paste")
 
-			// nolint:wrapcheck
+			//nolint:wrapcheck
 			return ectx.String(http.StatusBadRequest, "Paste #"+pasteIDRaw+" not found")
 		}
 	}
 
-	// nolint
+	//nolint
 	// ToDo: figure out how to handle passworded pastes here.
 	// Return error for now.
 	if paste.Password != "" {
-		c.Logger.Error().Int("paste ID", pasteID).Msg("Cannot render paste as raw: passworded paste. Patches welcome!")
+		app.Log.Error().Int("paste ID", pasteID).Msg("Cannot render paste as raw: passworded paste. Patches welcome!")
 		return ectx.String(http.StatusBadRequest, "Paste #"+pasteIDRaw+" not found")
 	}
 
-	// nolint:wrapcheck
+	//nolint:wrapcheck
 	return ectx.String(http.StatusOK, paste.Data)
 }

domains/pastes/paste_post.go

@@ -7,7 +7,7 @@ import (
 	"strings"
 	"time"
 
-	"github.com/alecthomas/chroma/lexers"
+	"github.com/alecthomas/chroma/v2/lexers"
 	"github.com/labstack/echo"
 	"go.dev.pztrn.name/fastpastebin/internal/captcha"
 	"go.dev.pztrn.name/fastpastebin/internal/database/dialects/flatfiles"
@@ -22,54 +22,54 @@ const KeepPastesForever = "forever"
 // requests comes from browsers via web interface.
 func pastePOSTWebInterface(ectx echo.Context) error {
 	// We should check if database connection available.
-	dbConn := c.Database.GetDatabaseConnection()
+	dbConn := app.Database.GetDatabaseConnection()
-	if c.Config.Database.Type != flatfiles.FlatFileDialect && dbConn == nil {
+	if app.Config.Database.Type != flatfiles.FlatFileDialect && dbConn == nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.Redirect(http.StatusFound, "/database_not_available")
 	}
 
 	params, err := ectx.FormParams()
 	if err != nil {
-		c.Logger.Error().Msg("Passed paste form is empty")
+		app.Log.Error().Msg("Passed paste form is empty")
 
 		errtpl := templater.GetErrorTemplate(ectx, "Cannot create empty paste")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.HTML(http.StatusBadRequest, errtpl)
 	}
 
-	c.Logger.Debug().Msgf("Received parameters: %+v", params)
+	app.Log.Debug().Msgf("Received parameters: %+v", params)
 
 	// Do nothing if paste contents is empty.
 	if len(params["paste-contents"][0]) == 0 {
-		c.Logger.Debug().Msg("Empty paste submitted, ignoring")
+		app.Log.Debug().Msg("Empty paste submitted, ignoring")
 
 		errtpl := templater.GetErrorTemplate(ectx, "Empty pastes aren't allowed.")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.HTML(http.StatusBadRequest, errtpl)
 	}
 
 	if !strings.ContainsAny(params["paste-keep-for"][0], "Mmhd") && params["paste-keep-for"][0] != KeepPastesForever {
-		c.Logger.Debug().Str("field value", params["paste-keep-for"][0]).Msg("'Keep paste for' field have invalid value")
+		app.Log.Debug().Str("field value", params["paste-keep-for"][0]).Msg("'Keep paste for' field have invalid value")
 
 		errtpl := templater.GetErrorTemplate(ectx, "Invalid 'Paste should be available for' parameter passed. Please do not try to hack us ;).")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.HTML(http.StatusBadRequest, errtpl)
 	}
 
 	// Verify captcha.
 	if !captcha.Verify(params["paste-captcha-id"][0], params["paste-captcha-solution"][0]) {
-		c.Logger.Debug().Str("captcha ID", params["paste-captcha-id"][0]).Str("captcha solution", params["paste-captcha-solution"][0]).Msg("Invalid captcha solution")
+		app.Log.Debug().Str("captcha ID", params["paste-captcha-id"][0]).Str("captcha solution", params["paste-captcha-solution"][0]).Msg("Invalid captcha solution")
 
 		errtpl := templater.GetErrorTemplate(ectx, "Invalid captcha solution.")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.HTML(http.StatusBadRequest, errtpl)
 	}
 
-	// nolint:exhaustivestruct
+	//nolint:exhaustruct
 	paste := &structs.Paste{
 		Title:    params["paste-title"][0],
 		Data:     params["paste-contents"][0],
@@ -95,15 +95,15 @@ func pastePOSTWebInterface(ectx echo.Context) error {
 		keepFor, err = strconv.Atoi(keepForRaw)
 		if err != nil {
 			if params["paste-keep-for"][0] == KeepPastesForever {
-				c.Logger.Debug().Msg("Keeping paste forever!")
+				app.Log.Debug().Msg("Keeping paste forever!")
 
 				keepFor = 0
 			} else {
-				c.Logger.Debug().Err(err).Msg("Failed to parse 'Keep for' integer")
+				app.Log.Debug().Err(err).Msg("Failed to parse 'Keep for' integer")
 
 				errtpl := templater.GetErrorTemplate(ectx, "Invalid 'Paste should be available for' parameter passed. Please do not try to hack us ;).")
 
-				// nolint:wrapcheck
+				//nolint:wrapcheck
 				return ectx.HTML(http.StatusBadRequest, errtpl)
 			}
 		}
@@ -138,25 +138,25 @@ func pastePOSTWebInterface(ectx echo.Context) error {
 		_ = paste.CreatePassword(pastePassword[0])
 	}
 
-	pasteID, err2 := c.Database.SavePaste(paste)
+	pasteID, err2 := app.Database.SavePaste(paste)
 	if err2 != nil {
-		c.Logger.Error().Err(err2).Msg("Failed to save paste")
+		app.Log.Error().Err(err2).Msg("Failed to save paste")
 
 		errtpl := templater.GetErrorTemplate(ectx, "Failed to save paste. Please, try again later.")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.HTML(http.StatusBadRequest, errtpl)
 	}
 
 	newPasteIDAsString := strconv.FormatInt(pasteID, 10)
-	c.Logger.Debug().Msg("Paste saved, URL: /paste/" + newPasteIDAsString)
+	app.Log.Debug().Msg("Paste saved, URL: /paste/" + newPasteIDAsString)
 
 	// Private pastes have it's timestamp in URL.
 	if paste.Private {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.Redirect(http.StatusFound, "/paste/"+newPasteIDAsString+"/"+strconv.FormatInt(paste.CreatedAt.Unix(), 10))
 	}
 
-	// nolint:wrapcheck
+	//nolint:wrapcheck
 	return ectx.Redirect(http.StatusFound, "/paste/"+newPasteIDAsString)
 }

domains/pastes/pastes_get.go

@@ -39,9 +39,9 @@ import (
 // Web interface version.
 func pastesGET(ectx echo.Context) error {
 	// We should check if database connection available.
-	dbConn := c.Database.GetDatabaseConnection()
+	dbConn := app.Database.GetDatabaseConnection()
-	if c.Config.Database.Type != flatfiles.FlatFileDialect && dbConn == nil {
+	if app.Config.Database.Type != flatfiles.FlatFileDialect && dbConn == nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.Redirect(http.StatusFound, "/database_not_available")
 	}
 
@@ -54,21 +54,21 @@ func pastesGET(ectx echo.Context) error {
 		page, _ = strconv.Atoi(pageRaw)
 	}
 
-	c.Logger.Debug().Int("page", page).Msg("Requested page")
+	app.Log.Debug().Int("page", page).Msg("Requested page")
 
 	// Get pastes IDs.
-	pastes, err3 := c.Database.GetPagedPastes(page)
+	pastes, err3 := app.Database.GetPagedPastes(page)
-	c.Logger.Debug().Int("count", len(pastes)).Msg("Got pastes")
+	app.Log.Debug().Int("count", len(pastes)).Msg("Got pastes")
 
 	pastesString := "No pastes to show."
 
 	// Show "No pastes to show" on any error for now.
 	if err3 != nil {
-		c.Logger.Error().Err(err3).Msg("Failed to get pastes list from database")
+		app.Log.Error().Err(err3).Msg("Failed to get pastes list from database")
 
 		noPastesToShowTpl := templater.GetErrorTemplate(ectx, "No pastes to show.")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return ectx.HTML(http.StatusOK, noPastesToShowTpl)
 	}
 
@@ -100,12 +100,12 @@ func pastesGET(ectx echo.Context) error {
 	}
 
 	// Pagination.
-	pages := c.Database.GetPastesPages()
+	pages := app.Database.GetPastesPages()
-	c.Logger.Debug().Int("total pages", pages).Int("current page", page).Msg("Paging data")
+	app.Log.Debug().Int("total pages", pages).Int("current page", page).Msg("Paging data")
 	paginationHTML := pagination.CreateHTML(page, pages, "/pastes/")
 
 	pasteListTpl := templater.GetTemplate(ectx, "pastelist_list.html", map[string]string{"pastes": pastesString, "pagination": paginationHTML})
 
-	// nolint:wrapcheck
+	//nolint:wrapcheck
 	return ectx.HTML(http.StatusOK, pasteListTpl)
 }

fileb0x.yml

@@ -1,112 +0,0 @@
-# all folders and files are relative to the path 
-# where fileb0x was run at!
-
-# default: main
-pkg: static
-
-# destination
-dest: "./assets/static/"
-
-# gofmt
-# type: bool
-# default: false
-fmt: false
-
-# compress files
-# at the moment, only supports gzip
-#
-# type: object
-compression:
-  # activates the compression
-  #
-  # type: bool
-  # default: false
-  compress: false
-
-  # valid values are:
-  # -> "NoCompression"
-  # -> "BestSpeed"
-  # -> "BestCompression"
-  # -> "DefaultCompression" or ""
-  #
-  # type: string
-  # default: "DefaultCompression" # when: Compress == true && Method == ""
-  method: ""
-
-  # true = do it yourself (the file is written as gzip compressed file into the memory file system)
-  # false = decompress files at run time (while writing file into memory file system)
-  #
-  # type: bool
-  # default: false
-  keep: false
-
-# ---------------
-# -- DANGEROUS --
-# ---------------
-# 
-# cleans the destination folder (only b0xfiles)
-# you should use this when using the spread function
-# type: bool
-# default: false
-clean: true
-
-# default: ab0x.go
-output: "ab0x.go"
-
-# [unexporTed] builds non-exporTed functions, variables and types...
-# type: bool
-# default: false
-unexporTed: false
-
-# [spread] means it will make a file to hold all fileb0x data
-# and each file into a separaTed .go file
-#
-# example:
-# theres 2 files in the folder assets, they're: hello.json and world.txt
-# when spread is activaTed, fileb0x will make a file: 
-# b0x.go or [output]'s data, assets_hello.json.go and assets_world.txt.go
-#
-#
-# type: bool
-# default: false
-spread: true
-
-# [lcf] log changed files when spread is active
-lcf: true
-
-# type: array of objects
-custom:
-
-  # type: array of strings
-  - files: 
-    - "assets/css/bulma-0.7.5.min.css"
-    - "assets/css/bulma-tooltip-3.0.0.min.css"
-    - "assets/css/bulma.css.map"
-    - "assets/css/style.css"
-    - "assets/js/fontawesome-5.0.7.js"
-
-    # base is the path that will be removed from all files' path
-    # type: string
-    base: "assets"
-
-    # prefix is the path that will be added to all files' path
-    # type: string
-    prefix: "static/"
-  # end: files
-  - files:
-    - "assets/database_not_available.html"
-    - "assets/error.html"
-    - "assets/footer.html"
-    - "assets/index.html"
-    - "assets/main.html"
-    - "assets/navigation.html"
-    - "assets/pagination_ellipsis.html"
-    - "assets/pagination_link_current.html"
-    - "assets/pagination_link.html"
-    - "assets/pagination.html"
-    - "assets/passworded_paste_verify.html"
-    - "assets/paste.html"
-    - "assets/pastelist_list.html"
-    - "assets/pastelist_paste.html"
-    base: "assets"
-    prefix: ""

go.mod

@@ -3,20 +3,21 @@ module go.dev.pztrn.name/fastpastebin
 go 1.16
 
 require (
-	github.com/alecthomas/chroma v0.8.2
+	github.com/alecthomas/chroma/v2 v2.2.0
-	github.com/dchest/captcha v0.0.0-20200903113550-03f5f0333e1f
+	github.com/dchest/captcha v1.0.0
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible // indirect
-	github.com/dlclark/regexp2 v1.4.0 // indirect
+	github.com/dlclark/regexp2 v1.7.0 // indirect
-	github.com/go-sql-driver/mysql v1.5.0
+	github.com/go-sql-driver/mysql v1.6.0
-	github.com/jmoiron/sqlx v1.2.0
+	github.com/jmoiron/sqlx v1.3.5
+	github.com/kr/pretty v0.3.0 // indirect
 	github.com/labstack/echo v3.3.10+incompatible
-	github.com/labstack/gommon v0.3.0 // indirect
+	github.com/labstack/gommon v0.3.1 // indirect
-	github.com/lib/pq v1.9.0
+	github.com/lib/pq v1.10.6
-	github.com/pressly/goose v2.6.0+incompatible
+	github.com/pressly/goose v2.7.0+incompatible
-	github.com/rs/zerolog v1.20.0
+	github.com/rs/zerolog v1.27.0
-	go.dev.pztrn.name/flagger v0.0.0-20200617193309-89bc9818b76c
+	golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d
-	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad
+	golang.org/x/net v0.0.0-20220624214902-1bab6f366d9e // indirect
-	golang.org/x/net v0.0.0-20201224014010-6772e930b67b
+	golang.org/x/sys v0.0.0-20220624220833-87e55d714810 // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v2 v2.4.0
-	mvdan.cc/gofumpt v0.1.1 // indirect
 )

go.sum

@@ -1,134 +1,91 @@
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internal/application/application.go

@@ -0,0 +1,124 @@
+package application
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"sync"
+
+	"github.com/labstack/echo"
+	"github.com/rs/zerolog"
+	databaseinterface "go.dev.pztrn.name/fastpastebin/internal/database/interface"
+)
+
+// Application is a main application superstructure. It passes around all parts of application
+// and serves as lifecycle management thing as well as kind-of-dependency-injection thing.
+type Application struct {
+	Config        *Config
+	Database      databaseinterface.Interface
+	Echo          *echo.Echo
+	Log           zerolog.Logger
+	services      map[string]Service
+	servicesMutex sync.RWMutex
+	ctx           context.Context
+	cancelFunc    context.CancelFunc
+}
+
+// New creates new application superstructure.
+func New() *Application {
+	//nolint:exhaustruct
+	appl := &Application{}
+	appl.initialize()
+
+	return appl
+}
+
+// GetContext returns application-wide context.
+func (a *Application) GetContext() context.Context {
+	return a.ctx
+}
+
+// GetService returns interface{} with requested service or error if service wasn't registered.
+func (a *Application) GetService(name string) (Service, error) {
+	a.servicesMutex.RLock()
+	srv, found := a.services[name]
+	a.servicesMutex.RUnlock()
+
+	if !found {
+		return nil, fmt.Errorf("%s: %w", ErrApplicationError, ErrApplicationServiceNotRegistered)
+	}
+
+	return srv, nil
+}
+
+// Initializes internal state.
+func (a *Application) initialize() {
+	a.Log = zerolog.New(os.Stdout).With().Timestamp().Logger()
+	a.Log.Info().Msg("Initializing Application...")
+
+	a.ctx, a.cancelFunc = context.WithCancel(context.Background())
+
+	a.services = make(map[string]Service)
+
+	cfg, err := newConfig(a)
+	if err != nil {
+		a.Log.Fatal().Err(err).Msg("Failed to initialize configuration!")
+	}
+
+	a.Config = cfg
+
+	a.initializeLogger()
+	a.initializeHTTPServer()
+}
+
+// RegisterService registers service for later re-use everywhere it's needed.
+func (a *Application) RegisterService(srv Service) error {
+	a.servicesMutex.Lock()
+	_, found := a.services[srv.GetName()]
+	a.servicesMutex.Unlock()
+
+	if found {
+		return fmt.Errorf("%s: %w", ErrApplicationError, ErrApplicationServiceAlreadyRegistered)
+	}
+
+	if err := srv.Initialize(); err != nil {
+		return fmt.Errorf("%s: %s: %w", ErrApplicationError, ErrApplicationServiceRegister, err)
+	}
+
+	a.services[srv.GetName()] = srv
+
+	return nil
+}
+
+// Shutdown shutdowns application.
+func (a *Application) Shutdown() error {
+	a.cancelFunc()
+
+	a.servicesMutex.RLock()
+	defer a.servicesMutex.RUnlock()
+
+	for _, service := range a.services {
+		if err := service.Shutdown(); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// Start starts application.
+func (a *Application) Start() error {
+	a.initializeLoggerPost()
+	a.startHTTPServer()
+
+	a.servicesMutex.RLock()
+	defer a.servicesMutex.RUnlock()
+
+	for _, service := range a.services {
+		if err := service.Start(); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}

internal/application/application_errors.go

@@ -0,0 +1,18 @@
+package application
+
+import "errors"
+
+var (
+	// ErrApplicationError indicates that error belongs to Application.
+	ErrApplicationError = errors.New("application")
+
+	// ErrApplicationServiceRegister appears when trying to register (and initialize) a service
+	// but something went wrong.
+	ErrApplicationServiceRegister = errors.New("service registering and initialization")
+
+	// ErrApplicationServiceAlreadyRegistered appears when trying to register service with already used name.
+	ErrApplicationServiceAlreadyRegistered = errors.New("service already registered")
+
+	// ErrApplicationServiceNotRegistered appears when trying to obtain a service that wasn't previously registered.
+	ErrApplicationServiceNotRegistered = errors.New("service not registered")
+)

internal/application/application_http_server.go

@@ -0,0 +1,48 @@
+package application
+
+import (
+	"net/http"
+
+	"github.com/labstack/echo"
+	"github.com/labstack/echo/middleware"
+	"go.dev.pztrn.name/fastpastebin/assets"
+)
+
+// Wrapper around previous function.
+func (a *Application) echoReqLogger() echo.MiddlewareFunc {
+	return func(next echo.HandlerFunc) echo.HandlerFunc {
+		return func(ectx echo.Context) error {
+			a.Log.Info().
+				Str("IP", ectx.RealIP()).
+				Str("Host", ectx.Request().Host).
+				Str("Method", ectx.Request().Method).
+				Str("Path", ectx.Request().URL.Path).
+				Str("UA", ectx.Request().UserAgent()).
+				Msg("HTTP request")
+
+			return next(ectx)
+		}
+	}
+}
+
+func (a *Application) initializeHTTPServer() {
+	a.Echo = echo.New()
+	a.Echo.Use(a.echoReqLogger())
+	a.Echo.Use(middleware.Recover())
+	a.Echo.Use(middleware.BodyLimit(a.Config.HTTP.MaxBodySizeMegabytes + "M"))
+	a.Echo.DisableHTTP2 = true
+	a.Echo.HideBanner = true
+	a.Echo.HidePort = true
+
+	// Static files.
+	a.Echo.GET("/static/*", echo.WrapHandler(http.FileServer(http.FS(assets.Data))))
+}
+
+func (a *Application) startHTTPServer() {
+	listenAddress := a.Config.HTTP.Address + ":" + a.Config.HTTP.Port
+
+	go func() {
+		a.Echo.Logger.Fatal(a.Echo.Start(listenAddress))
+	}()
+	a.Log.Info().Str("address", listenAddress).Msg("Started HTTP server")
+}

internal/application/application_logger.go

@@ -0,0 +1,79 @@
+package application
+
+import (
+	"fmt"
+	"os"
+	"runtime"
+	"strings"
+	"time"
+
+	"github.com/rs/zerolog"
+)
+
+// Puts memory usage into log lines.
+func (a *Application) getMemoryUsage(event *zerolog.Event, level zerolog.Level, message string) {
+	var memstats runtime.MemStats
+
+	runtime.ReadMemStats(&memstats)
+
+	event.Str("memalloc", fmt.Sprintf("%dMB", memstats.Alloc/1024/1024))
+	event.Str("memsys", fmt.Sprintf("%dMB", memstats.Sys/1024/1024))
+	event.Str("numgc", fmt.Sprintf("%d", memstats.NumGC))
+}
+
+// Initializes logger.
+func (a *Application) initializeLogger() {
+	// Устанавливаем форматирование логгера.
+	//nolint:exhaustruct
+	output := zerolog.ConsoleWriter{Out: os.Stdout, NoColor: false, TimeFormat: time.RFC3339}
+	output.FormatLevel = func(lvlRaw interface{}) string {
+		var lvl string
+
+		if lvlAsString, ok := lvlRaw.(string); ok {
+			lvlAsString = strings.ToUpper(lvlAsString)
+			switch lvlAsString {
+			case "DEBUG":
+				lvl = fmt.Sprintf("\x1b[30m%-5s\x1b[0m", lvlAsString)
+			case "ERROR":
+				lvl = fmt.Sprintf("\x1b[31m%-5s\x1b[0m", lvlAsString)
+			case "FATAL":
+				lvl = fmt.Sprintf("\x1b[35m%-5s\x1b[0m", lvlAsString)
+			case "INFO":
+				lvl = fmt.Sprintf("\x1b[32m%-5s\x1b[0m", lvlAsString)
+			case "PANIC":
+				lvl = fmt.Sprintf("\x1b[36m%-5s\x1b[0m", lvlAsString)
+			case "WARN":
+				lvl = fmt.Sprintf("\x1b[33m%-5s\x1b[0m", lvlAsString)
+			default:
+				lvl = lvlAsString
+			}
+		}
+
+		return fmt.Sprintf("| %s |", lvl)
+	}
+
+	a.Log = zerolog.New(output).With().Timestamp().Logger()
+
+	a.Log = a.Log.Hook(zerolog.HookFunc(a.getMemoryUsage))
+}
+
+// Initialize logger after configuration parse.
+func (a *Application) initializeLoggerPost() {
+	// Set log level.
+	a.Log.Info().Msgf("Setting logger level: %s", a.Config.Logging.LogLevel)
+
+	switch a.Config.Logging.LogLevel {
+	case "DEBUG":
+		zerolog.SetGlobalLevel(zerolog.DebugLevel)
+	case "INFO":
+		zerolog.SetGlobalLevel(zerolog.InfoLevel)
+	case "WARN":
+		zerolog.SetGlobalLevel(zerolog.WarnLevel)
+	case "ERROR":
+		zerolog.SetGlobalLevel(zerolog.ErrorLevel)
+	case "FATAL":
+		zerolog.SetGlobalLevel(zerolog.FatalLevel)
+	case "PANIC":
+		zerolog.SetGlobalLevel(zerolog.PanicLevel)
+	}
+}

internal/application/application_service.go

@@ -0,0 +1,13 @@
+package application
+
+// Service is a generic interface for all services of application.
+type Service interface {
+	// GetName returns service name for registering with application superstructure.
+	GetName() string
+	// Initialize initializes service.
+	Initialize() error
+	// Shutdown shuts service down if needed. Also should block is shutdown should be done in synchronous manner.
+	Shutdown() error
+	// Start starts service if needed. Should not block execution.
+	Start() error
+}

internal/application/config.go

@@ -0,0 +1,64 @@
+package application
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/rs/zerolog"
+	"go.dev.pztrn.name/fastpastebin/internal/helpers"
+	"gopkg.in/yaml.v2"
+)
+
+// Config represents configuration structure.
+type Config struct {
+	app *Application
+	log zerolog.Logger
+
+	Database ConfigDatabase `yaml:"database"`
+	Logging  ConfigLogging  `yaml:"logging"`
+	HTTP     ConfigHTTP     `yaml:"http"`
+	Pastes   ConfigPastes   `yaml:"pastes"`
+}
+
+func newConfig(app *Application) (*Config, error) {
+	//nolint:exhaustruct
+	cfg := &Config{
+		app: app,
+		log: app.Log.With().Str("type", "core").Str("name", "configuration").Logger(),
+	}
+
+	if err := cfg.initialize(); err != nil {
+		return nil, fmt.Errorf("%s: %w", ErrConfigurationError, err)
+	}
+
+	return cfg, nil
+}
+
+func (c *Config) initialize() error {
+	c.log.Info().Msg("Initializing configuration...")
+
+	configPathRaw, found := os.LookupEnv("FASTPASTEBIN_CONFIG")
+	if !found {
+		return fmt.Errorf("%s: %w", ErrConfigurationLoad, ErrConfigurationPathNotDefined)
+	}
+
+	configPath, err := helpers.NormalizePath(configPathRaw)
+	if err != nil {
+		return fmt.Errorf("%s: %w", ErrConfigurationLoad, err)
+	}
+
+	c.log.Info().Str("config path", configPath).Msg("Reading configuration file...")
+
+	fileData, err := os.ReadFile(configPath)
+	if err != nil {
+		return fmt.Errorf("%s: %w", ErrConfigurationLoad, err)
+	}
+
+	if err := yaml.Unmarshal(fileData, c); err != nil {
+		return fmt.Errorf("%s: %w", ErrConfigurationLoad, err)
+	}
+
+	c.log.Debug().Msgf("Configuration loaded: %+v", c)
+
+	return nil
+}

internal/application/config_errors.go

@@ -0,0 +1,15 @@
+package application
+
+import "errors"
+
+var (
+	// ErrConfigurationError indicates that this error is related to configuration.
+	ErrConfigurationError = errors.New("configuration")
+
+	// ErrConfigurationLoad indicates that error appears when trying to load
+	// configuration data from file.
+	ErrConfigurationLoad = errors.New("loading configuration")
+
+	// ErrConfigurationPathNotDefined indicates that CONFIG_PATH environment variable is empty or not defined.
+	ErrConfigurationPathNotDefined = errors.New("configuration path (CONFIG_PATH) is empty or not defined")
+)

internal/application/config_structs.go

@@ -0,0 +1,30 @@
+package application
+
+// ConfigDatabase describes database configuration.
+type ConfigDatabase struct {
+	Type     string `yaml:"type"`
+	Path     string `yaml:"path"`
+	Address  string `yaml:"address"`
+	Port     string `yaml:"port"`
+	Username string `yaml:"username"`
+	Password string `yaml:"password"`
+	Database string `yaml:"database"`
+}
+
+// ConfigHTTP describes HTTP server configuration.
+type ConfigHTTP struct {
+	Address              string `yaml:"address"`
+	Port                 string `yaml:"port"`
+	MaxBodySizeMegabytes string `yaml:"max_body_size_megabytes"`
+	AllowInsecure        bool   `yaml:"allow_insecure"`
+}
+
+// ConfigLogging describes logger configuration.
+type ConfigLogging struct {
+	LogLevel string `yaml:"loglevel"`
+}
+
+// ConfigPastes describes pastes subsystem configuration.
+type ConfigPastes struct {
+	Pagination int `yaml:"pagination"`
+}

internal/application/vars.go

@@ -0,0 +1,6 @@
+package application
+
+const (
+	// Version .
+	Version = "0.4.1"
+)

internal/captcha/exported.go

@@ -28,22 +28,22 @@ import (
 	"github.com/dchest/captcha"
 	"github.com/labstack/echo"
 	"github.com/rs/zerolog"
-	"go.dev.pztrn.name/fastpastebin/internal/context"
+	"go.dev.pztrn.name/fastpastebin/internal/application"
 )
 
 var (
-	c   *context.Context
+	app *application.Application
 	log zerolog.Logger
 )
 
 // New initializes captcha package and adds necessary HTTP and API
 // endpoints.
-func New(cc *context.Context) {
+func New(cc *application.Application) {
-	c = cc
+	app = cc
-	log = c.Logger.With().Str("type", "internal").Str("package", "captcha").Logger()
+	log = app.Log.With().Str("type", "internal").Str("package", "captcha").Logger()
 
 	// New paste.
-	c.Echo.GET("/captcha/:id.png", echo.WrapHandler(captcha.Server(captcha.StdWidth, captcha.StdHeight)))
+	app.Echo.GET("/captcha/:id.png", echo.WrapHandler(captcha.Server(captcha.StdWidth, captcha.StdHeight)))
 }
 
 // NewCaptcha creates new captcha string.

internal/context/context.go

@@ -1,137 +0,0 @@
-// Fast Paste Bin - uberfast and easy-to-use pastebin.
-//
-// Copyright (c) 2018, Stanislav N. aka pztrn and Fast Paste Bin
-// developers.
-//
-// Permission is hereby granted, free of charge, to any person obtaining
-// a copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to
-// permit persons to whom the Software is furnished to do so, subject
-// to the following conditions:
-//
-// The above copyright notice and this permission notice shall be
-// included in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
-// OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-package context
-
-import (
-	"io/ioutil"
-	"os"
-	"path/filepath"
-
-	"github.com/labstack/echo"
-	"github.com/rs/zerolog"
-	"go.dev.pztrn.name/fastpastebin/internal/config"
-	databaseinterface "go.dev.pztrn.name/fastpastebin/internal/database/interface"
-	"go.dev.pztrn.name/flagger"
-	"gopkg.in/yaml.v2"
-)
-
-// Context is a some sort of singleton. Basically it's a structure that
-// initialized once and then passed to all parts of application. It
-// contains everything every part of application need, like configuration
-// access, logger, etc.
-type Context struct {
-	Config   *config.Struct
-	Database databaseinterface.Interface
-	Echo     *echo.Echo
-	Flagger  *flagger.Flagger
-	Logger   zerolog.Logger
-}
-
-// Initialize initializes context.
-func (c *Context) Initialize() {
-	c.initializeLogger()
-
-	c.Flagger = flagger.New("fastpastebin", nil)
-	c.Flagger.Initialize()
-
-	_ = c.Flagger.AddFlag(&flagger.Flag{
-		Name:         "config",
-		Description:  "Configuration file path. Can be overridded with FASTPASTEBIN_CONFIG environment variable (this is what used in tests).",
-		Type:         "string",
-		DefaultValue: "NO_CONFIG",
-	})
-}
-
-// InitializePost initializes everything that needs a configuration.
-func (c *Context) InitializePost() {
-	c.initializeLoggerPost()
-	c.initializeHTTPServer()
-}
-
-// LoadConfiguration loads configuration and executes right after Flagger
-// have parsed CLI flags, because it depends on "-config" defined in
-// Initialize().
-func (c *Context) LoadConfiguration() {
-	c.Logger.Info().Msg("Loading configuration...")
-
-	configPath := ""
-
-	// We're accepting configuration path from "-config" CLI parameter
-	// and FASTPASTEBIN_CONFIG environment variable. Later have higher
-	// weight and can override "-config" value.
-	configPathFromCLI, err := c.Flagger.GetStringValue("config")
-	configPathFromEnv, configPathFromEnvFound := os.LookupEnv("FASTPASTEBIN_CONFIG")
-
-	if err != nil && configPathFromEnvFound || err == nil && configPathFromEnvFound {
-		configPath = configPathFromEnv
-	} else if err != nil && !configPathFromEnvFound || err == nil && configPathFromCLI == "NO_CONFIG" {
-		c.Logger.Panic().Msg("Configuration file path wasn't passed via '-config' or 'FASTPASTEBIN_CONFIG' environment variable. Cannot continue.")
-	} else if err == nil && !configPathFromEnvFound {
-		configPath = configPathFromCLI
-	}
-
-	// Normalize file path.
-	normalizedConfigPath, err1 := filepath.Abs(configPath)
-	if err1 != nil {
-		c.Logger.Fatal().Err(err1).Msg("Failed to normalize path to configuration file")
-	}
-
-	c.Logger.Debug().Str("path", configPath).Msg("Configuration file path")
-
-	// nolint:exhaustivestruct
-	c.Config = &config.Struct{}
-
-	// Read configuration file.
-	fileData, err2 := ioutil.ReadFile(normalizedConfigPath)
-	if err2 != nil {
-		c.Logger.Panic().Err(err2).Msg("Failed to read configuration file")
-	}
-
-	// Parse it into structure.
-	err3 := yaml.Unmarshal(fileData, c.Config)
-	if err3 != nil {
-		c.Logger.Panic().Err(err3).Msg("Failed to parse configuration file")
-	}
-
-	// Yay! See what it gets!
-	c.Logger.Debug().Msgf("Parsed configuration: %+v", c.Config)
-}
-
-// RegisterDatabaseInterface registers database interface for later use.
-func (c *Context) RegisterDatabaseInterface(di databaseinterface.Interface) {
-	c.Database = di
-}
-
-// RegisterEcho registers Echo instance for later usage.
-func (c *Context) RegisterEcho(e *echo.Echo) {
-	c.Echo = e
-}
-
-// Shutdown shutdowns entire application.
-func (c *Context) Shutdown() {
-	c.Logger.Info().Msg("Shutting down Fast Pastebin...")
-
-	c.Database.Shutdown()
-}

internal/context/exported.go

@@ -1,36 +0,0 @@
-// Fast Paste Bin - uberfast and easy-to-use pastebin.
-//
-// Copyright (c) 2018, Stanislav N. aka pztrn and Fast Paste Bin
-// developers.
-//
-// Permission is hereby granted, free of charge, to any person obtaining
-// a copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to
-// permit persons to whom the Software is furnished to do so, subject
-// to the following conditions:
-//
-// The above copyright notice and this permission notice shall be
-// included in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
-// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
-// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
-// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
-// OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-package context
-
-const (
-	// Version .
-	Version = "0.4.0"
-)
-
-// New creates new context.
-func New() *Context {
-	// nolint:exhaustivestruct
-	return &Context{}
-}

internal/context/http_server.go

@@ -1,46 +0,0 @@
-package context
-
-import (
-	"net/http"
-
-	"github.com/labstack/echo"
-	"github.com/labstack/echo/middleware"
-	"go.dev.pztrn.name/fastpastebin/assets"
-)
-
-func (c *Context) initializeHTTPServer() {
-	c.Echo = echo.New()
-	c.Echo.Use(c.echoReqLogger())
-	c.Echo.Use(middleware.Recover())
-	c.Echo.Use(middleware.BodyLimit(c.Config.HTTP.MaxBodySizeMegabytes + "M"))
-	c.Echo.DisableHTTP2 = true
-	c.Echo.HideBanner = true
-	c.Echo.HidePort = true
-
-	// Static files.
-	c.Echo.GET("/static/*", echo.WrapHandler(http.FileServer(http.FS(assets.Data))))
-
-	listenAddress := c.Config.HTTP.Address + ":" + c.Config.HTTP.Port
-
-	go func() {
-		c.Echo.Logger.Fatal(c.Echo.Start(listenAddress))
-	}()
-	c.Logger.Info().Str("address", listenAddress).Msg("Started HTTP server")
-}
-
-// Wrapper around previous function.
-func (c *Context) echoReqLogger() echo.MiddlewareFunc {
-	return func(next echo.HandlerFunc) echo.HandlerFunc {
-		return func(ectx echo.Context) error {
-			c.Logger.Info().
-				Str("IP", ectx.RealIP()).
-				Str("Host", ectx.Request().Host).
-				Str("Method", ectx.Request().Method).
-				Str("Path", ectx.Request().URL.Path).
-				Str("UA", ectx.Request().UserAgent()).
-				Msg("HTTP request")
-
-			return next(ectx)
-		}
-	}
-}

internal/context/logger.go

@@ -1,79 +0,0 @@
-package context
-
-import (
-	"fmt"
-	"os"
-	"runtime"
-	"strings"
-	"time"
-
-	"github.com/rs/zerolog"
-)
-
-// Puts memory usage into log lines.
-func (c *Context) getMemoryUsage(event *zerolog.Event, level zerolog.Level, message string) {
-	var m runtime.MemStats
-
-	runtime.ReadMemStats(&m)
-
-	event.Str("memalloc", fmt.Sprintf("%dMB", m.Alloc/1024/1024))
-	event.Str("memsys", fmt.Sprintf("%dMB", m.Sys/1024/1024))
-	event.Str("numgc", fmt.Sprintf("%d", m.NumGC))
-}
-
-// Initializes logger.
-func (c *Context) initializeLogger() {
-	// Устанавливаем форматирование логгера.
-	// nolint:exhaustivestruct
-	output := zerolog.ConsoleWriter{Out: os.Stdout, NoColor: false, TimeFormat: time.RFC3339}
-	output.FormatLevel = func(lvlRaw interface{}) string {
-		var v string
-
-		if lvl, ok := lvlRaw.(string); ok {
-			lvl = strings.ToUpper(lvl)
-			switch lvl {
-			case "DEBUG":
-				v = fmt.Sprintf("\x1b[30m%-5s\x1b[0m", lvl)
-			case "ERROR":
-				v = fmt.Sprintf("\x1b[31m%-5s\x1b[0m", lvl)
-			case "FATAL":
-				v = fmt.Sprintf("\x1b[35m%-5s\x1b[0m", lvl)
-			case "INFO":
-				v = fmt.Sprintf("\x1b[32m%-5s\x1b[0m", lvl)
-			case "PANIC":
-				v = fmt.Sprintf("\x1b[36m%-5s\x1b[0m", lvl)
-			case "WARN":
-				v = fmt.Sprintf("\x1b[33m%-5s\x1b[0m", lvl)
-			default:
-				v = lvl
-			}
-		}
-
-		return fmt.Sprintf("| %s |", v)
-	}
-
-	c.Logger = zerolog.New(output).With().Timestamp().Logger()
-
-	c.Logger = c.Logger.Hook(zerolog.HookFunc(c.getMemoryUsage))
-}
-
-// Initialize logger after configuration parse.
-func (c *Context) initializeLoggerPost() {
-	// Set log level.
-	c.Logger.Info().Msgf("Setting logger level: %s", c.Config.Logging.LogLevel)
-
-	switch c.Config.Logging.LogLevel {
-	case "DEBUG":
-		zerolog.SetGlobalLevel(zerolog.DebugLevel)
-	case "INFO":
-		zerolog.SetGlobalLevel(zerolog.InfoLevel)
-	case "WARN":
-		zerolog.SetGlobalLevel(zerolog.WarnLevel)
-	case "ERROR":
-		zerolog.SetGlobalLevel(zerolog.ErrorLevel)
-	case "FATAL":
-		zerolog.SetGlobalLevel(zerolog.FatalLevel)
-	case "PANIC":
-		zerolog.SetGlobalLevel(zerolog.PanicLevel)
-	}
-}

internal/database/database.go

@@ -46,7 +46,7 @@ type Database struct {
 // a subject of change in future.
 func (db *Database) cleanup() {
 	for {
-		c.Logger.Info().Msg("Starting pastes cleanup procedure...")
+		app.Log.Info().Msg("Starting pastes cleanup procedure...")
 
 		pages := db.db.GetPastesPages()
 
@@ -55,7 +55,7 @@ func (db *Database) cleanup() {
 		for i := 0; i < pages; i++ {
 			pastes, err := db.db.GetPagedPastes(i)
 			if err != nil {
-				c.Logger.Error().Err(err).Int("page", i).Msg("Failed to perform database cleanup")
+				app.Log.Error().Err(err).Int("page", i).Msg("Failed to perform database cleanup")
 			}
 
 			for _, paste := range pastes {
@@ -68,18 +68,18 @@ func (db *Database) cleanup() {
 		for _, pasteID := range pasteIDsToRemove {
 			err := db.DeletePaste(pasteID)
 			if err != nil {
-				c.Logger.Error().Err(err).Int("paste", pasteID).Msg("Failed to delete paste!")
+				app.Log.Error().Err(err).Int("paste", pasteID).Msg("Failed to delete paste!")
 			}
 		}
 
-		c.Logger.Info().Msg("Pastes cleanup done.")
+		app.Log.Info().Msg("Pastes cleanup done.")
 
 		time.Sleep(time.Hour)
 	}
 }
 
 func (db *Database) DeletePaste(pasteID int) error {
-	// nolint:wrapcheck
+	//nolint:wrapcheck
 	return db.db.DeletePaste(pasteID)
 }
 
@@ -92,12 +92,12 @@ func (db *Database) GetDatabaseConnection() *sql.DB {
 }
 
 func (db *Database) GetPaste(pasteID int) (*structs.Paste, error) {
-	// nolint:wrapcheck
+	//nolint:wrapcheck
 	return db.db.GetPaste(pasteID)
 }
 
 func (db *Database) GetPagedPastes(page int) ([]structs.Paste, error) {
-	// nolint:wrapcheck
+	//nolint:wrapcheck
 	return db.db.GetPagedPastes(page)
 }
 
@@ -107,16 +107,16 @@ func (db *Database) GetPastesPages() int {
 
 // Initialize initializes connection to database.
 func (db *Database) Initialize() {
-	c.Logger.Info().Msg("Initializing database connection...")
+	app.Log.Info().Msg("Initializing database connection...")
 
-	if c.Config.Database.Type == "mysql" {
+	if app.Config.Database.Type == "mysql" {
-		mysql.New(c)
+		mysql.New(app)
-	} else if c.Config.Database.Type == flatfiles.FlatFileDialect {
+	} else if app.Config.Database.Type == flatfiles.FlatFileDialect {
-		flatfiles.New(c)
+		flatfiles.New(app)
-	} else if c.Config.Database.Type == "postgresql" {
+	} else if app.Config.Database.Type == "postgresql" {
-		postgresql.New(c)
+		postgresql.New(app)
 	} else {
-		c.Logger.Fatal().Str("type", c.Config.Database.Type).Msg("Unknown database type")
+		app.Log.Fatal().Str("type", app.Config.Database.Type).Msg("Unknown database type")
 	}
 
 	go db.cleanup()
@@ -128,7 +128,7 @@ func (db *Database) RegisterDialect(di dialectinterface.Interface) {
 }
 
 func (db *Database) SavePaste(p *structs.Paste) (int64, error) {
-	// nolint:wrapcheck
+	//nolint:wrapcheck
 	return db.db.SavePaste(p)
 }
 

internal/database/dialects/flatfiles/exported.go

@@ -25,21 +25,21 @@
 package flatfiles
 
 import (
-	"go.dev.pztrn.name/fastpastebin/internal/context"
+	"go.dev.pztrn.name/fastpastebin/internal/application"
 	dialectinterface "go.dev.pztrn.name/fastpastebin/internal/database/dialects/interface"
 )
 
 const FlatFileDialect = "flatfiles"
 
 var (
-	c *context.Context
+	app *application.Application
-	f *FlatFiles
+	flf *FlatFiles
 )
 
-func New(cc *context.Context) {
+func New(cc *application.Application) {
-	c = cc
+	app = cc
-	// nolint:exhaustivestruct
+	//nolint:exhaustruct
-	f = &FlatFiles{}
+	flf = &FlatFiles{}
 
-	c.Database.RegisterDialect(dialectinterface.Interface(Handler{}))
+	app.Database.RegisterDialect(dialectinterface.Interface(Handler{}))
 }

internal/database/dialects/flatfiles/flatfiles.go

@@ -27,7 +27,6 @@ package flatfiles
 import (
 	"database/sql"
 	"encoding/json"
-	"io/ioutil"
 	"os"
 	"os/user"
 	"path/filepath"
@@ -49,9 +48,9 @@ func (ff *FlatFiles) DeletePaste(pasteID int) error {
 	// Delete from disk.
 	err := os.Remove(filepath.Join(ff.path, "pastes", strconv.Itoa(pasteID)+".json"))
 	if err != nil {
-		c.Logger.Error().Err(err).Msg("Failed to delete paste!")
+		app.Log.Error().Err(err).Msg("Failed to delete paste!")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 
@@ -83,27 +82,27 @@ func (ff *FlatFiles) GetDatabaseConnection() *sql.DB {
 func (ff *FlatFiles) GetPaste(pasteID int) (*structs.Paste, error) {
 	ff.writeMutex.Lock()
 	pastePath := filepath.Join(ff.path, "pastes", strconv.Itoa(pasteID)+".json")
-	c.Logger.Debug().Str("path", pastePath).Msg("Trying to load paste data")
+	app.Log.Debug().Str("path", pastePath).Msg("Trying to load paste data")
 
-	pasteInBytes, err := ioutil.ReadFile(pastePath)
+	pasteInBytes, err := os.ReadFile(pastePath)
 	if err != nil {
-		c.Logger.Debug().Err(err).Msg("Failed to read paste from storage")
+		app.Log.Debug().Err(err).Msg("Failed to read paste from storage")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return nil, err
 	}
 
-	c.Logger.Debug().Int("paste bytes", len(pasteInBytes)).Msg("Loaded paste")
+	app.Log.Debug().Int("paste bytes", len(pasteInBytes)).Msg("Loaded paste")
 	ff.writeMutex.Unlock()
 
-	// nolint:exhaustivestruct
+	//nolint:exhaustruct
 	paste := &structs.Paste{}
 
 	err1 := json.Unmarshal(pasteInBytes, paste)
 	if err1 != nil {
-		c.Logger.Error().Err(err1).Msgf("Failed to parse paste")
+		app.Log.Error().Err(err1).Msgf("Failed to parse paste")
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return nil, err1
 	}
 
@@ -114,7 +113,7 @@ func (ff *FlatFiles) GetPagedPastes(page int) ([]structs.Paste, error) {
 	// Pagination.
 	startPagination := 0
 	if page > 1 {
-		startPagination = (page - 1) * c.Config.Pastes.Pagination
+		startPagination = (page - 1) * app.Config.Pastes.Pagination
 	}
 
 	// Iteration one - get only public pastes.
@@ -130,38 +129,38 @@ func (ff *FlatFiles) GetPagedPastes(page int) ([]structs.Paste, error) {
 	pastesData := make([]structs.Paste, 0)
 
 	for idx, paste := range publicPastes {
-		if len(pastesData) == c.Config.Pastes.Pagination {
+		if len(pastesData) == app.Config.Pastes.Pagination {
 			break
 		}
 
 		if idx < startPagination {
-			c.Logger.Debug().Int("paste index", idx).Msg("Paste isn't in pagination query: too low index")
+			app.Log.Debug().Int("paste index", idx).Msg("Paste isn't in pagination query: too low index")
 
 			continue
 		}
 
-		if (idx-1 >= startPagination && page > 1 && idx > startPagination+((page-1)*c.Config.Pastes.Pagination)) || (idx-1 >= startPagination && page == 1 && idx > startPagination+(page*c.Config.Pastes.Pagination)) {
+		if (idx-1 >= startPagination && page > 1 && idx > startPagination+((page-1)*app.Config.Pastes.Pagination)) || (idx-1 >= startPagination && page == 1 && idx > startPagination+(page*app.Config.Pastes.Pagination)) {
-			c.Logger.Debug().Int("paste index", idx).Msg("Paste isn't in pagination query: too high index")
+			app.Log.Debug().Int("paste index", idx).Msg("Paste isn't in pagination query: too high index")
 
 			break
 		}
 
-		c.Logger.Debug().Int("ID", paste.ID).Int("index", idx).Msg("Getting paste data")
+		app.Log.Debug().Int("ID", paste.ID).Int("index", idx).Msg("Getting paste data")
 
 		// Get paste data.
-		// nolint:exhaustivestruct
+		//nolint:exhaustruct
 		pasteData := &structs.Paste{}
 
-		pasteRawData, err := ioutil.ReadFile(filepath.Join(ff.path, "pastes", strconv.Itoa(paste.ID)+".json"))
+		pasteRawData, err := os.ReadFile(filepath.Join(ff.path, "pastes", strconv.Itoa(paste.ID)+".json"))
 		if err != nil {
-			c.Logger.Error().Err(err).Msg("Failed to read paste data")
+			app.Log.Error().Err(err).Msg("Failed to read paste data")
 
 			continue
 		}
 
 		err1 := json.Unmarshal(pasteRawData, pasteData)
 		if err1 != nil {
-			c.Logger.Error().Err(err1).Msg("Failed to parse paste data")
+			app.Log.Error().Err(err1).Msg("Failed to parse paste data")
 
 			continue
 		}
@@ -185,9 +184,9 @@ func (ff *FlatFiles) GetPastesPages() int {
 	ff.writeMutex.Unlock()
 
 	// Calculate pages.
-	pages := len(publicPastes) / c.Config.Pastes.Pagination
+	pages := len(publicPastes) / app.Config.Pastes.Pagination
 	// Check if we have any remainder. Add 1 to pages count if so.
-	if len(publicPastes)%c.Config.Pastes.Pagination > 0 {
+	if len(publicPastes)%app.Config.Pastes.Pagination > 0 {
 		pages++
 	}
 
@@ -195,14 +194,14 @@ func (ff *FlatFiles) GetPastesPages() int {
 }
 
 func (ff *FlatFiles) Initialize() {
-	c.Logger.Info().Msg("Initializing flatfiles storage...")
+	app.Log.Info().Msg("Initializing flatfiles storage...")
 
-	path := c.Config.Database.Path
+	path := app.Config.Database.Path
 	// Get proper paste file path.
-	if strings.Contains(c.Config.Database.Path, "~") {
+	if strings.Contains(app.Config.Database.Path, "~") {
 		curUser, err := user.Current()
 		if err != nil {
-			c.Logger.Error().Msg("Failed to get current user. Will replace '~' for '/' in storage path!")
+			app.Log.Error().Msg("Failed to get current user. Will replace '~' for '/' in storage path!")
 
 			path = strings.Replace(path, "~", "/", -1)
 		}
@@ -213,70 +212,70 @@ func (ff *FlatFiles) Initialize() {
 	path, _ = filepath.Abs(path)
 	ff.path = path
 
-	c.Logger.Debug().Msgf("Storage path is now: %s", ff.path)
+	app.Log.Debug().Msgf("Storage path is now: %s", ff.path)
 
 	// Create directory if necessary.
 	if _, err := os.Stat(ff.path); err != nil {
-		c.Logger.Debug().Str("directory", ff.path).Msg("Directory does not exist, creating...")
+		app.Log.Debug().Str("directory", ff.path).Msg("Directory does not exist, creating...")
 		_ = os.MkdirAll(ff.path, os.ModePerm)
 	} else {
-		c.Logger.Debug().Str("directory", ff.path).Msg("Directory already exists")
+		app.Log.Debug().Str("directory", ff.path).Msg("Directory already exists")
 	}
 
 	// Create directory for pastes.
 	if _, err := os.Stat(filepath.Join(ff.path, "pastes")); err != nil {
-		c.Logger.Debug().Str("directory", ff.path).Msg("Directory does not exist, creating...")
+		app.Log.Debug().Str("directory", ff.path).Msg("Directory does not exist, creating...")
 		_ = os.MkdirAll(filepath.Join(ff.path, "pastes"), os.ModePerm)
 	} else {
-		c.Logger.Debug().Str("directory", ff.path).Msg("Directory already exists")
+		app.Log.Debug().Str("directory", ff.path).Msg("Directory already exists")
 	}
 
 	// Load pastes index.
 	ff.pastesIndex = []Index{}
 	if _, err := os.Stat(filepath.Join(ff.path, "pastes", "index.json")); err != nil {
-		c.Logger.Warn().Msg("Pastes index file does not exist, will create new one")
+		app.Log.Warn().Msg("Pastes index file does not exist, will create new one")
 	} else {
-		indexData, err := ioutil.ReadFile(filepath.Join(ff.path, "pastes", "index.json"))
+		indexData, err := os.ReadFile(filepath.Join(ff.path, "pastes", "index.json"))
 		if err != nil {
-			c.Logger.Fatal().Msg("Failed to read contents of index file!")
+			app.Log.Fatal().Msg("Failed to read contents of index file!")
 		}
 
 		err1 := json.Unmarshal(indexData, &ff.pastesIndex)
 		if err1 != nil {
-			c.Logger.Error().Err(err1).Msg("Failed to parse index file contents from JSON into internal structure. Will create new index file. All of your previous pastes will became unavailable.")
+			app.Log.Error().Err(err1).Msg("Failed to parse index file contents from JSON into internal structure. Will create new index file. All of your previous pastes will became unavailable.")
 		}
 
-		c.Logger.Debug().Int("pastes count", len(ff.pastesIndex)).Msg("Parsed pastes index")
+		app.Log.Debug().Int("pastes count", len(ff.pastesIndex)).Msg("Parsed pastes index")
 	}
 }
 
 func (ff *FlatFiles) SavePaste(paste *structs.Paste) (int64, error) {
 	ff.writeMutex.Lock()
 	// Write paste data on disk.
-	filesOnDisk, _ := ioutil.ReadDir(filepath.Join(ff.path, "pastes"))
+	filesOnDisk, _ := os.ReadDir(filepath.Join(ff.path, "pastes"))
 	pasteID := len(filesOnDisk) + 1
 	paste.ID = pasteID
 
-	c.Logger.Debug().Int("new paste ID", pasteID).Msg("Writing paste to disk")
+	app.Log.Debug().Int("new paste ID", pasteID).Msg("Writing paste to disk")
 
 	data, err := json.Marshal(paste)
 	if err != nil {
 		ff.writeMutex.Unlock()
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return 0, err
 	}
 
-	err = ioutil.WriteFile(filepath.Join(ff.path, "pastes", strconv.Itoa(pasteID)+".json"), data, 0o600)
+	err = os.WriteFile(filepath.Join(ff.path, "pastes", strconv.Itoa(pasteID)+".json"), data, 0o600)
 	if err != nil {
 		ff.writeMutex.Unlock()
 
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return 0, err
 	}
 
 	// Add it to cache.
-	// nolint:exhaustivestruct
+	//nolint:exhaustruct
 	indexData := Index{}
 	indexData.ID = pasteID
 	indexData.Private = paste.Private
@@ -287,18 +286,18 @@ func (ff *FlatFiles) SavePaste(paste *structs.Paste) (int64, error) {
 }
 
 func (ff *FlatFiles) Shutdown() {
-	c.Logger.Info().Msg("Saving indexes...")
+	app.Log.Info().Msg("Saving indexes...")
 
 	indexData, err := json.Marshal(ff.pastesIndex)
 	if err != nil {
-		c.Logger.Error().Err(err).Msg("Failed to encode index data into JSON")
+		app.Log.Error().Err(err).Msg("Failed to encode index data into JSON")
 
 		return
 	}
 
-	err1 := ioutil.WriteFile(filepath.Join(ff.path, "pastes", "index.json"), indexData, 0o600)
+	err1 := os.WriteFile(filepath.Join(ff.path, "pastes", "index.json"), indexData, 0o600)
 	if err1 != nil {
-		c.Logger.Error().Err(err1).Msg("Failed to write index data to file. Pretty sure that you've lost your pastes.")
+		app.Log.Error().Err(err1).Msg("Failed to write index data to file. Pretty sure that you've lost your pastes.")
 
 		return
 	}

internal/database/dialects/flatfiles/handler.go

@@ -33,33 +33,33 @@ import (
 type Handler struct{}
 
 func (dbh Handler) DeletePaste(pasteID int) error {
-	return f.DeletePaste(pasteID)
+	return flf.DeletePaste(pasteID)
 }
 
 func (dbh Handler) GetDatabaseConnection() *sql.DB {
-	return f.GetDatabaseConnection()
+	return flf.GetDatabaseConnection()
 }
 
 func (dbh Handler) GetPaste(pasteID int) (*structs.Paste, error) {
-	return f.GetPaste(pasteID)
+	return flf.GetPaste(pasteID)
 }
 
 func (dbh Handler) GetPagedPastes(page int) ([]structs.Paste, error) {
-	return f.GetPagedPastes(page)
+	return flf.GetPagedPastes(page)
 }
 
 func (dbh Handler) GetPastesPages() int {
-	return f.GetPastesPages()
+	return flf.GetPastesPages()
 }
 
 func (dbh Handler) Initialize() {
-	f.Initialize()
+	flf.Initialize()
 }
 
 func (dbh Handler) SavePaste(p *structs.Paste) (int64, error) {
-	return f.SavePaste(p)
+	return flf.SavePaste(p)
 }
 
 func (dbh Handler) Shutdown() {
-	f.Shutdown()
+	flf.Shutdown()
 }

internal/database/dialects/mysql/exported.go

@@ -25,19 +25,19 @@
 package mysql
 
 import (
-	"go.dev.pztrn.name/fastpastebin/internal/context"
+	"go.dev.pztrn.name/fastpastebin/internal/application"
 	dialectinterface "go.dev.pztrn.name/fastpastebin/internal/database/dialects/interface"
 )
 
 var (
-	c *context.Context
+	app       *application.Application
-	d *Database
+	dbAdapter *Database
 )
 
-func New(cc *context.Context) {
+func New(cc *application.Application) {
-	c = cc
+	app = cc
-	// nolint:exhaustivestruct
+	//nolint:exhaustruct
-	d = &Database{}
+	dbAdapter = &Database{}
 
-	c.Database.RegisterDialect(dialectinterface.Interface(Handler{}))
+	app.Database.RegisterDialect(dialectinterface.Interface(Handler{}))
 }

internal/database/dialects/mysql/handler.go

@@ -33,33 +33,33 @@ import (
 type Handler struct{}
 
 func (dbh Handler) DeletePaste(pasteID int) error {
-	return d.DeletePaste(pasteID)
+	return dbAdapter.DeletePaste(pasteID)
 }
 
 func (dbh Handler) GetDatabaseConnection() *sql.DB {
-	return d.GetDatabaseConnection()
+	return dbAdapter.GetDatabaseConnection()
 }
 
 func (dbh Handler) GetPaste(pasteID int) (*structs.Paste, error) {
-	return d.GetPaste(pasteID)
+	return dbAdapter.GetPaste(pasteID)
 }
 
 func (dbh Handler) GetPagedPastes(page int) ([]structs.Paste, error) {
-	return d.GetPagedPastes(page)
+	return dbAdapter.GetPagedPastes(page)
 }
 
 func (dbh Handler) GetPastesPages() int {
-	return d.GetPastesPages()
+	return dbAdapter.GetPastesPages()
 }
 
 func (dbh Handler) Initialize() {
-	d.Initialize()
+	dbAdapter.Initialize()
 }
 
 func (dbh Handler) SavePaste(p *structs.Paste) (int64, error) {
-	return d.SavePaste(p)
+	return dbAdapter.SavePaste(p)
 }
 
 func (dbh Handler) Shutdown() {
-	d.Shutdown()
+	dbAdapter.Shutdown()
 }

internal/database/dialects/mysql/migrations/1_initial.go

@@ -38,7 +38,7 @@ func InitialUp(tx *sql.Tx) error {
 		keep_for_unit_type int(1) NOT NULL DEFAULT 1 COMMENT 'Keep for unit type. 1 - minutes, 2 - hours, 3 - days, 4 - months.',
 		PRIMARY KEY (id), UNIQUE KEY id (id)) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COMMENT='Pastes';`)
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 

internal/database/dialects/mysql/migrations/2_paste_lang.go

@@ -31,7 +31,7 @@ import (
 func PasteLangUp(tx *sql.Tx) error {
 	_, err := tx.Exec("ALTER TABLE `pastes` ADD `language` VARCHAR(191) NOT NULL DEFAULT 'text' COMMENT 'Paste language'")
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 
@@ -41,7 +41,7 @@ func PasteLangUp(tx *sql.Tx) error {
 func PasteLangDown(tx *sql.Tx) error {
 	_, err := tx.Exec("ALTER TABLE `pastes` DROP COLUMN `language`")
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 

internal/database/dialects/mysql/migrations/3_private_pastes.go

@@ -31,7 +31,7 @@ import (
 func PrivatePastesUp(tx *sql.Tx) error {
 	_, err := tx.Exec("ALTER TABLE `pastes` ADD `private` BOOL NOT NULL DEFAULT false COMMENT 'Private paste? If true - additional URL parameter (UNIX TIMESTAMP) of paste will be required to access.'")
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 
@@ -41,7 +41,7 @@ func PrivatePastesUp(tx *sql.Tx) error {
 func PrivatePastesDown(tx *sql.Tx) error {
 	_, err := tx.Exec("ALTER TABLE `pastes` DROP COLUMN `private`")
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 

internal/database/dialects/mysql/migrations/4_passworded_pastes.go

@@ -31,13 +31,13 @@ import (
 func PasswordedPastesUp(txn *sql.Tx) error {
 	_, err := txn.Exec("ALTER TABLE `pastes` ADD `password` varchar(64) NOT NULL DEFAULT '' COMMENT 'Password for paste (scrypted and sha256ed).'")
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 
 	_, err1 := txn.Exec("ALTER TABLE `pastes` ADD `password_salt` varchar(64) NOT NULL DEFAULT '' COMMENT 'Password salt (sha256ed).'")
 	if err1 != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err1
 	}
 
@@ -47,13 +47,13 @@ func PasswordedPastesUp(txn *sql.Tx) error {
 func PasswordedPastesDown(txn *sql.Tx) error {
 	_, err := txn.Exec("ALTER TABLE `pastes` DROP COLUMN `password`")
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 
 	_, err1 := txn.Exec("ALTER TABLE `pastes` DROP COLUMN `password_salt`")
 	if err1 != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err1
 	}
 

internal/database/dialects/mysql/migrations/exported.go

@@ -26,19 +26,19 @@ package migrations
 
 import (
 	"github.com/pressly/goose"
-	"go.dev.pztrn.name/fastpastebin/internal/context"
+	"go.dev.pztrn.name/fastpastebin/internal/application"
 )
 
-var c *context.Context
+var app *application.Application
 
 // New initializes migrations.
-func New(cc *context.Context) {
+func New(cc *application.Application) {
-	c = cc
+	app = cc
 }
 
 // Migrate launching migrations.
 func Migrate() {
-	c.Logger.Info().Msg("Migrating database...")
+	app.Log.Info().Msg("Migrating database...")
 
 	_ = goose.SetDialect("mysql")
 	goose.AddNamedMigration("1_initial.go", InitialUp, nil)
@@ -47,13 +47,13 @@ func Migrate() {
 	goose.AddNamedMigration("4_passworded_pastes.go", PasswordedPastesUp, PasswordedPastesDown)
 	// Add new migrations BEFORE this message.
 
-	dbConn := c.Database.GetDatabaseConnection()
+	dbConn := app.Database.GetDatabaseConnection()
 	if dbConn != nil {
 		err := goose.Up(dbConn, ".")
 		if err != nil {
-			c.Logger.Panic().Msgf("Failed to migrate database to latest version: %s", err.Error())
+			app.Log.Panic().Msgf("Failed to migrate database to latest version: %s", err.Error())
 		}
 	} else {
-		c.Logger.Warn().Msg("Current database dialect isn't supporting migrations, skipping")
+		app.Log.Warn().Msg("Current database dialect isn't supporting migrations, skipping")
 	}
 }

internal/database/dialects/mysql/mysqldatabase.go

@@ -59,7 +59,7 @@ func (db *Database) DeletePaste(pasteID int) error {
 
 	_, err := db.db.Exec(db.db.Rebind("DELETE FROM pastes WHERE id=?"), pasteID)
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 
@@ -80,12 +80,12 @@ func (db *Database) GetDatabaseConnection() *sql.DB {
 func (db *Database) GetPaste(pasteID int) (*structs.Paste, error) {
 	db.check()
 
-	// nolint:exhaustivestruct
+	//nolint:exhaustruct
 	paste := &structs.Paste{}
 
 	err := db.db.Get(paste, db.db.Rebind("SELECT * FROM `pastes` WHERE id=?"), pasteID)
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return nil, err
 	}
 
@@ -103,12 +103,12 @@ func (db *Database) GetPagedPastes(page int) ([]structs.Paste, error) {
 	// Pagination.
 	startPagination := 0
 	if page > 1 {
-		startPagination = (page - 1) * c.Config.Pastes.Pagination
+		startPagination = (page - 1) * app.Config.Pastes.Pagination
 	}
 
-	err := db.db.Select(&pastesRaw, db.db.Rebind("SELECT * FROM `pastes` WHERE private != true ORDER BY id DESC LIMIT ? OFFSET ?"), c.Config.Pastes.Pagination, startPagination)
+	err := db.db.Select(&pastesRaw, db.db.Rebind("SELECT * FROM `pastes` WHERE private != true ORDER BY id DESC LIMIT ? OFFSET ?"), app.Config.Pastes.Pagination, startPagination)
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return nil, err
 	}
 
@@ -142,9 +142,9 @@ func (db *Database) GetPastesPages() int {
 	}
 
 	// Calculate pages.
-	pages := len(pastes) / c.Config.Pastes.Pagination
+	pages := len(pastes) / app.Config.Pastes.Pagination
 	// Check if we have any remainder. Add 1 to pages count if so.
-	if len(pastes)%c.Config.Pastes.Pagination > 0 {
+	if len(pastes)%app.Config.Pastes.Pagination > 0 {
 		pages++
 	}
 
@@ -153,23 +153,23 @@ func (db *Database) GetPastesPages() int {
 
 // Initialize initializes MySQL/MariaDB connection.
 func (db *Database) Initialize() {
-	c.Logger.Info().Msg("Initializing database connection...")
+	app.Log.Info().Msg("Initializing database connection...")
 
 	// There might be only user, without password. MySQL/MariaDB driver
 	// in DSN wants "user" or "user:password", "user:" is invalid.
 	var userpass string
-	if c.Config.Database.Password == "" {
+	if app.Config.Database.Password == "" {
-		userpass = c.Config.Database.Username
+		userpass = app.Config.Database.Username
 	} else {
-		userpass = c.Config.Database.Username + ":" + c.Config.Database.Password
+		userpass = app.Config.Database.Username + ":" + app.Config.Database.Password
 	}
 
-	dbConnString := fmt.Sprintf("%s@tcp(%s:%s)/%s?parseTime=true&collation=utf8mb4_unicode_ci&charset=utf8mb4", userpass, c.Config.Database.Address, c.Config.Database.Port, c.Config.Database.Database)
+	dbConnString := fmt.Sprintf("%s@tcp(%s:%s)/%s?parseTime=true&collation=utf8mb4_unicode_ci&charset=utf8mb4", userpass, app.Config.Database.Address, app.Config.Database.Port, app.Config.Database.Database)
-	c.Logger.Debug().Str("DSN", dbConnString).Msgf("Database connection string composed")
+	app.Log.Debug().Str("DSN", dbConnString).Msgf("Database connection string composed")
 
 	dbConn, err := sqlx.Connect("mysql", dbConnString)
 	if err != nil {
-		c.Logger.Error().Err(err).Msg("Failed to connect to database")
+		app.Log.Error().Err(err).Msg("Failed to connect to database")
 
 		return
 	}
@@ -177,12 +177,12 @@ func (db *Database) Initialize() {
 	// Force UTC for current connection.
 	_ = dbConn.MustExec("SET @@session.time_zone='+00:00';")
 
-	c.Logger.Info().Msg("Database connection established")
+	app.Log.Info().Msg("Database connection established")
 
 	db.db = dbConn
 
 	// Perform migrations.
-	migrations.New(c)
+	migrations.New(app)
 	migrations.Migrate()
 }
 
@@ -191,13 +191,13 @@ func (db *Database) SavePaste(p *structs.Paste) (int64, error) {
 
 	result, err := db.db.NamedExec("INSERT INTO `pastes` (title, data, created_at, keep_for, keep_for_unit_type, language, private, password, password_salt) VALUES (:title, :data, :created_at, :keep_for, :keep_for_unit_type, :language, :private, :password, :password_salt)", p)
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return 0, err
 	}
 
 	lastInsertID, err1 := result.LastInsertId()
 	if err1 != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return 0, err
 	}
 
@@ -208,7 +208,7 @@ func (db *Database) Shutdown() {
 	if db.db != nil {
 		err := db.db.Close()
 		if err != nil {
-			c.Logger.Error().Err(err).Msg("Failed to close database connection")
+			app.Log.Error().Err(err).Msg("Failed to close database connection")
 		}
 	}
 }

internal/database/dialects/postgresql/exported.go

@@ -25,19 +25,19 @@
 package postgresql
 
 import (
-	"go.dev.pztrn.name/fastpastebin/internal/context"
+	"go.dev.pztrn.name/fastpastebin/internal/application"
 	dialectinterface "go.dev.pztrn.name/fastpastebin/internal/database/dialects/interface"
 )
 
 var (
-	c *context.Context
+	app       *application.Application
-	d *Database
+	dbAdapter *Database
 )
 
-func New(cc *context.Context) {
+func New(cc *application.Application) {
-	c = cc
+	app = cc
-	// nolint:exhaustivestruct
+	//nolint:exhaustruct
-	d = &Database{}
+	dbAdapter = &Database{}
 
-	c.Database.RegisterDialect(dialectinterface.Interface(Handler{}))
+	app.Database.RegisterDialect(dialectinterface.Interface(Handler{}))
 }

internal/database/dialects/postgresql/handler.go

@@ -33,33 +33,33 @@ import (
 type Handler struct{}
 
 func (dbh Handler) DeletePaste(pasteID int) error {
-	return d.DeletePaste(pasteID)
+	return dbAdapter.DeletePaste(pasteID)
 }
 
 func (dbh Handler) GetDatabaseConnection() *sql.DB {
-	return d.GetDatabaseConnection()
+	return dbAdapter.GetDatabaseConnection()
 }
 
 func (dbh Handler) GetPaste(pasteID int) (*structs.Paste, error) {
-	return d.GetPaste(pasteID)
+	return dbAdapter.GetPaste(pasteID)
 }
 
 func (dbh Handler) GetPagedPastes(page int) ([]structs.Paste, error) {
-	return d.GetPagedPastes(page)
+	return dbAdapter.GetPagedPastes(page)
 }
 
 func (dbh Handler) GetPastesPages() int {
-	return d.GetPastesPages()
+	return dbAdapter.GetPastesPages()
 }
 
 func (dbh Handler) Initialize() {
-	d.Initialize()
+	dbAdapter.Initialize()
 }
 
 func (dbh Handler) SavePaste(p *structs.Paste) (int64, error) {
-	return d.SavePaste(p)
+	return dbAdapter.SavePaste(p)
 }
 
 func (dbh Handler) Shutdown() {
-	d.Shutdown()
+	dbAdapter.Shutdown()
 }

internal/database/dialects/postgresql/migrations/1_initial.go

@@ -48,7 +48,7 @@ func InitialUp(tx *sql.Tx) error {
 					COMMENT ON COLUMN pastes.keep_for_unit_type IS 'Keep for unit type. 0 - forever, 1 - minutes, 2 - hours, 3 - days, 4 - months.';
 	`)
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 

internal/database/dialects/postgresql/migrations/2_paste_lang.go

@@ -31,7 +31,7 @@ import (
 func PasteLangUp(tx *sql.Tx) error {
 	_, err := tx.Exec("ALTER TABLE pastes ADD COLUMN language VARCHAR(191) NOT NULL DEFAULT 'text'; COMMENT ON COLUMN pastes.language IS 'Paste language';")
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 
@@ -41,7 +41,7 @@ func PasteLangUp(tx *sql.Tx) error {
 func PasteLangDown(tx *sql.Tx) error {
 	_, err := tx.Exec("ALTER TABLE pastes DROP COLUMN language")
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 

internal/database/dialects/postgresql/migrations/3_private_pastes.go

@@ -31,7 +31,7 @@ import (
 func PrivatePastesUp(tx *sql.Tx) error {
 	_, err := tx.Exec("ALTER TABLE pastes ADD COLUMN private BOOLEAN NOT NULL DEFAULT false; COMMENT ON COLUMN pastes.private IS 'Private paste? If true - additional URL parameter (UNIX TIMESTAMP) of paste will be required to access.';")
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 
@@ -41,7 +41,7 @@ func PrivatePastesUp(tx *sql.Tx) error {
 func PrivatePastesDown(tx *sql.Tx) error {
 	_, err := tx.Exec("ALTER TABLE pastes DROP COLUMN private")
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 

internal/database/dialects/postgresql/migrations/4_passworded_pastes.go

@@ -31,13 +31,13 @@ import (
 func PasswordedPastesUp(txn *sql.Tx) error {
 	_, err := txn.Exec("ALTER TABLE pastes ADD COLUMN password VARCHAR(64) NOT NULL DEFAULT ''; COMMENT ON COLUMN pastes.password IS 'Password for paste (scrypted and sha256ed).';")
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 
 	_, err1 := txn.Exec("ALTER TABLE pastes ADD COLUMN password_salt VARCHAR(64) NOT NULL DEFAULT ''; COMMENT ON COLUMN pastes.password_salt IS 'Password salt (sha256ed).';")
 	if err1 != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err1
 	}
 
@@ -47,13 +47,13 @@ func PasswordedPastesUp(txn *sql.Tx) error {
 func PasswordedPastesDown(txn *sql.Tx) error {
 	_, err := txn.Exec("ALTER TABLE pastes DROP COLUMN password")
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 
 	_, err1 := txn.Exec("ALTER TABLE pastes DROP COLUMN password_salt")
 	if err1 != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err1
 	}
 

internal/database/dialects/postgresql/migrations/exported.go

@@ -26,19 +26,19 @@ package migrations
 
 import (
 	"github.com/pressly/goose"
-	"go.dev.pztrn.name/fastpastebin/internal/context"
+	"go.dev.pztrn.name/fastpastebin/internal/application"
 )
 
-var c *context.Context
+var app *application.Application
 
 // New initializes migrations.
-func New(cc *context.Context) {
+func New(cc *application.Application) {
-	c = cc
+	app = cc
 }
 
 // Migrate launching migrations.
 func Migrate() {
-	c.Logger.Info().Msg("Migrating database...")
+	app.Log.Info().Msg("Migrating database...")
 
 	_ = goose.SetDialect("postgres")
 	goose.AddNamedMigration("1_initial.go", InitialUp, nil)
@@ -47,14 +47,14 @@ func Migrate() {
 	goose.AddNamedMigration("4_passworded_pastes.go", PasswordedPastesUp, PasswordedPastesDown)
 	// Add new migrations BEFORE this message.
 
-	dbConn := c.Database.GetDatabaseConnection()
+	dbConn := app.Database.GetDatabaseConnection()
 	if dbConn != nil {
 		err := goose.Up(dbConn, ".")
 		if err != nil {
-			c.Logger.Info().Msgf("%+v", err)
+			app.Log.Info().Msgf("%+v", err)
-			c.Logger.Panic().Msgf("Failed to migrate database to latest version: %s", err.Error())
+			app.Log.Panic().Msgf("Failed to migrate database to latest version: %s", err.Error())
 		}
 	} else {
-		c.Logger.Warn().Msg("Current database dialect isn't supporting migrations, skipping")
+		app.Log.Warn().Msg("Current database dialect isn't supporting migrations, skipping")
 	}
 }

internal/database/dialects/postgresql/postgresqldatabase.go

@@ -24,10 +24,11 @@
 
 package postgresql
 
-// nolint:gci
+//nolint:gci
 import (
 	"database/sql"
 	"fmt"
+	"net"
 	"time"
 
 	// PostgreSQL driver.
@@ -62,7 +63,7 @@ func (db *Database) DeletePaste(pasteID int) error {
 
 	_, err := db.db.Exec(db.db.Rebind("DELETE FROM pastes WHERE id=?"), pasteID)
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 
@@ -83,12 +84,12 @@ func (db *Database) GetDatabaseConnection() *sql.DB {
 func (db *Database) GetPaste(pasteID int) (*structs.Paste, error) {
 	db.check()
 
-	// nolint:exhaustivestruct
+	//nolint:exhaustruct
 	paste := &structs.Paste{}
 
 	err := db.db.Get(paste, db.db.Rebind("SELECT * FROM pastes WHERE id=$1"), pasteID)
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return nil, err
 	}
 
@@ -113,12 +114,12 @@ func (db *Database) GetPagedPastes(page int) ([]structs.Paste, error) {
 	// Pagination.
 	startPagination := 0
 	if page > 1 {
-		startPagination = (page - 1) * c.Config.Pastes.Pagination
+		startPagination = (page - 1) * app.Config.Pastes.Pagination
 	}
 
-	err := db.db.Select(&pastesRaw, db.db.Rebind("SELECT * FROM pastes WHERE private != true ORDER BY id DESC LIMIT $1 OFFSET $2"), c.Config.Pastes.Pagination, startPagination)
+	err := db.db.Select(&pastesRaw, db.db.Rebind("SELECT * FROM pastes WHERE private != true ORDER BY id DESC LIMIT $1 OFFSET $2"), app.Config.Pastes.Pagination, startPagination)
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return nil, err
 	}
 
@@ -158,9 +159,9 @@ func (db *Database) GetPastesPages() int {
 	}
 
 	// Calculate pages.
-	pages := len(pastes) / c.Config.Pastes.Pagination
+	pages := len(pastes) / app.Config.Pastes.Pagination
 	// Check if we have any remainder. Add 1 to pages count if so.
-	if len(pastes)%c.Config.Pastes.Pagination > 0 {
+	if len(pastes)%app.Config.Pastes.Pagination > 0 {
 		pages++
 	}
 
@@ -169,31 +170,31 @@ func (db *Database) GetPastesPages() int {
 
 // Initialize initializes MySQL/MariaDB connection.
 func (db *Database) Initialize() {
-	c.Logger.Info().Msg("Initializing database connection...")
+	app.Log.Info().Msg("Initializing database connection...")
 
 	var userpass string
-	if c.Config.Database.Password == "" {
+	if app.Config.Database.Password == "" {
-		userpass = c.Config.Database.Username
+		userpass = app.Config.Database.Username
 	} else {
-		userpass = c.Config.Database.Username + ":" + c.Config.Database.Password
+		userpass = app.Config.Database.Username + ":" + app.Config.Database.Password
 	}
 
-	dbConnString := fmt.Sprintf("postgres://%s@%s:%s/%s?connect_timeout=10&fallback_application_name=fastpastebin&sslmode=disable", userpass, c.Config.Database.Address, c.Config.Database.Port, c.Config.Database.Database)
+	dbConnString := fmt.Sprintf("postgres://%s@%s/%s?connect_timeout=10&fallback_application_name=fastpastebin&sslmode=disable", userpass, net.JoinHostPort(app.Config.Database.Address, app.Config.Database.Port), app.Config.Database.Database)
-	c.Logger.Debug().Str("DSN", dbConnString).Msg("Database connection string composed")
+	app.Log.Debug().Str("DSN", dbConnString).Msg("Database connection string composed")
 
 	dbConn, err := sqlx.Connect("postgres", dbConnString)
 	if err != nil {
-		c.Logger.Error().Err(err).Msg("Failed to connect to database")
+		app.Log.Error().Err(err).Msg("Failed to connect to database")
 
 		return
 	}
 
-	c.Logger.Info().Msg("Database connection established")
+	app.Log.Info().Msg("Database connection established")
 
 	db.db = dbConn
 
 	// Perform migrations.
-	migrations.New(c)
+	migrations.New(app)
 	migrations.Migrate()
 }
 
@@ -202,26 +203,26 @@ func (db *Database) SavePaste(paste *structs.Paste) (int64, error) {
 
 	stmt, err := db.db.PrepareNamed("INSERT INTO pastes (title, data, created_at, keep_for, keep_for_unit_type, language, private, password, password_salt) VALUES (:title, :data, :created_at, :keep_for, :keep_for_unit_type, :language, :private, :password, :password_salt) RETURNING id")
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return 0, err
 	}
 
-	var id int64
+	var newPasteID int64
 
-	err = stmt.Get(&id, paste)
+	err = stmt.Get(&newPasteID, paste)
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return 0, err
 	}
 
-	return id, nil
+	return newPasteID, nil
 }
 
 func (db *Database) Shutdown() {
 	if db.db != nil {
 		err := db.db.Close()
 		if err != nil {
-			c.Logger.Error().Err(err).Msg("Failed to close database connection")
+			app.Log.Error().Err(err).Msg("Failed to close database connection")
 		}
 	}
 }

internal/database/exported.go

@@ -25,20 +25,20 @@
 package database
 
 import (
-	"go.dev.pztrn.name/fastpastebin/internal/context"
+	"go.dev.pztrn.name/fastpastebin/internal/application"
 	databaseinterface "go.dev.pztrn.name/fastpastebin/internal/database/interface"
 )
 
 var (
-	c *context.Context
+	app       *application.Application
-	d *Database
+	dbAdapter *Database
 )
 
 // New initializes database structure.
-func New(cc *context.Context) {
+func New(cc *application.Application) {
-	c = cc
+	app = cc
-	// nolint:exhaustivestruct
+	//nolint:exhaustruct
-	d = &Database{}
+	dbAdapter = &Database{}
 
-	c.RegisterDatabaseInterface(databaseinterface.Interface(Handler{}))
+	app.Database = databaseinterface.Interface(Handler{})
 }

internal/database/handler.go

@@ -36,38 +36,38 @@ import (
 type Handler struct{}
 
 func (dbh Handler) DeletePaste(pasteID int) error {
-	return d.DeletePaste(pasteID)
+	return dbAdapter.DeletePaste(pasteID)
 }
 
 func (dbh Handler) GetDatabaseConnection() *sql.DB {
-	return d.GetDatabaseConnection()
+	return dbAdapter.GetDatabaseConnection()
 }
 
 func (dbh Handler) GetPaste(pasteID int) (*structs.Paste, error) {
-	return d.GetPaste(pasteID)
+	return dbAdapter.GetPaste(pasteID)
 }
 
 func (dbh Handler) GetPagedPastes(page int) ([]structs.Paste, error) {
-	return d.GetPagedPastes(page)
+	return dbAdapter.GetPagedPastes(page)
 }
 
 func (dbh Handler) GetPastesPages() int {
-	return d.GetPastesPages()
+	return dbAdapter.GetPastesPages()
 }
 
 // Initialize initializes connection to database.
 func (dbh Handler) Initialize() {
-	d.Initialize()
+	dbAdapter.Initialize()
 }
 
 func (dbh Handler) RegisterDialect(di dialectinterface.Interface) {
-	d.RegisterDialect(di)
+	dbAdapter.RegisterDialect(di)
 }
 
 func (dbh Handler) SavePaste(p *structs.Paste) (int64, error) {
-	return d.SavePaste(p)
+	return dbAdapter.SavePaste(p)
 }
 
 func (dbh Handler) Shutdown() {
-	d.Shutdown()
+	dbAdapter.Shutdown()
 }

internal/helpers/path.go

@@ -0,0 +1,41 @@
+package helpers
+
+import (
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+var (
+	// ErrHelperError indicates that error came from helper.
+	ErrHelperError = errors.New("helper")
+
+	// ErrHelperPathNormalizationError indicates that error came from path normalization helper.
+	ErrHelperPathNormalizationError = errors.New("path normalization")
+)
+
+// NormalizePath normalizes passed path:
+// * Path will be absolute.
+// * Symlinks will be resolved.
+// * Support for tilde (~) for home path.
+func NormalizePath(path string) (string, error) {
+	// Replace possible tilde in the beginning (and only beginning!) of data path.
+	if strings.HasPrefix(path, "~") {
+		homeDir, err := os.UserHomeDir()
+		if err != nil {
+			return "", fmt.Errorf("%s: %s: %w", ErrHelperError, ErrHelperPathNormalizationError, err)
+		}
+
+		path = strings.Replace(path, "~", homeDir, 1)
+	}
+
+	// Normalize path.
+	absPath, err := filepath.Abs(path)
+	if err != nil {
+		return "", fmt.Errorf("%s: %s: %w", ErrHelperError, ErrHelperPathNormalizationError, err)
+	}
+
+	return absPath, nil
+}

internal/pagination/exported.go

@@ -42,12 +42,13 @@ func CreateHTML(currentPage int, pages int, linksBase string) string {
 	var (
 		ellipsisStartAdded = false
 		ellipsisEndAdded   = false
-		i                  = 2
+		//nolint:varnamelen
+		i = 2
 	)
 
 	for i <= pages {
 		// ToDo: fix it!
-		// nolint:nestif
+		//nolint:nestif
 		if pages > 5 {
 			if currentPage-3 < i && currentPage+3 > i || i == pages {
 				paginationItemRaw := string(paginationLinkRaw)

internal/structs/paste.go

@@ -76,7 +76,7 @@ type Paste struct {
 func (p *Paste) CreatePassword(password string) error {
 	// Create salt - random string.
 	// Yes, it is insecure. Should be refactored!
-	// nolint:gosec
+	//nolint:gosec
 	seededRand := rand.New(rand.NewSource(time.Now().UnixNano()))
 	saltBytes := make([]byte, 64)
 
@@ -90,7 +90,7 @@ func (p *Paste) CreatePassword(password string) error {
 	// Create crypted password and hash it.
 	passwordCrypted, err := scrypt.Key([]byte(password), []byte(p.PasswordSalt), 131072, 8, 1, 64)
 	if err != nil {
-		// nolint:wrapcheck
+		//nolint:wrapcheck
 		return err
 	}
 

internal/templater/exported.go

@@ -31,11 +31,11 @@ import (
 	"github.com/labstack/echo"
 	"github.com/rs/zerolog"
 	"go.dev.pztrn.name/fastpastebin/assets"
-	"go.dev.pztrn.name/fastpastebin/internal/context"
+	"go.dev.pztrn.name/fastpastebin/internal/application"
 )
 
 var (
-	c   *context.Context
+	app *application.Application
 	log zerolog.Logger
 )
 
@@ -100,7 +100,7 @@ func GetTemplate(ectx echo.Context, name string, data map[string]string) string
 	tpl := strings.Replace(string(mainhtml), "{navigation}", string(navhtml), 1)
 	tpl = strings.Replace(tpl, "{footer}", string(footerhtml), 1)
 	// Version.
-	tpl = strings.Replace(tpl, "{version}", context.Version, 1)
+	tpl = strings.Replace(tpl, "{version}", application.Version, 1)
 
 	// Get requested template.
 	reqhtml, err3 := assets.Data.ReadFile(name)
@@ -122,7 +122,7 @@ func GetTemplate(ectx echo.Context, name string, data map[string]string) string
 }
 
 // Initialize initializes package.
-func Initialize(cc *context.Context) {
+func Initialize(cc *application.Application) {
-	c = cc
+	app = cc
-	log = c.Logger.With().Str("type", "internal").Str("package", "templater").Logger()
+	log = app.Log.With().Str("type", "internal").Str("package", "templater").Logger()
 }