archive/nntpchan
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This commit is contained in:
Jeff Becker 2017-04-14 06:24:53 -04:00
parent e02f0fc3fd
commit c965f0f7af
5 changed files with 107 additions and 93 deletions
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20
contrib/backends/nntpchan-daemon/Makefile
View File

@ -3,9 +3,9 @@ EXE = nntpd
TOOL = nntpchan-tool
CXX = clang++
SRC_PATH = ./src
CXX = g++
REPO=$(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))
SRC_PATH = $(REPO)/src
SOURCES := $(wildcard $(SRC_PATH)/*.cpp)
HEADERS := $(wildcard $(SRC_PATH)/*.hpp)
@ -14,27 +14,27 @@ OBJECTS := $(SOURCES:.cpp=.o)
PKGS := libuv libsodium
LD_FLAGS := $(shell pkg-config --libs $(PKGS))
INC_FLAGS := -I $(SRC_PATH) $(shell pkg-config --cflags $(PKGS))
CXXFLAGS := -std=c++14 -Wall -Wextra $(INC_FLAGS) -g
INC_FLAGS := $(shell pkg-config --cflags $(PKGS)) -I $(REPO)/src
CXXFLAGS := -std=c++11 -Wall -Wextra $(INC_FLAGS) -g
all: $(EXE) $(TOOL)
$(EXE): $(OBJECTS)
$(CXX) -o $(EXE) $(LD_FLAGS) $(OBJECTS) $(CXXFLAGS) nntpd.cpp
$(EXE): $(OBJECTS)
$(CXX) -o $(EXE) $(OBJECTS) $(CXXFLAGS) nntpd.cpp $(LD_FLAGS)
$(TOOL): $(OBJECTS)
$(CXX) -o $(TOOL) $(LD_FLAGS) $(OBJECTS) $(CXXFLAGS) tool.cpp
$(CXX) -o $(TOOL) $(OBJECTS) $(CXXFLAGS) tool.cpp $(LD_FLAGS)
build-test: $(OBJECTS)
$(CXX) -o test $(LD_FLAGS) $(OBJECTS) $(CXXFLAGS) test.cpp
$(CXX) -o test $(OBJECTS) $(CXXFLAGS) test.cpp $(LD_FLAGS)
test: build-test
./test
%.o: src/%.cpp
$(CXX) $(CXXFLAGS) -c -o $@
$(CXX) $(CXXFLAGS) -c -o $@
clean:
rm -f $(OBJECTS) $(EXE) $(TOOL) test

4
contrib/backends/nntpchan-daemon/src/base64.hpp
View File

@ -7,10 +7,10 @@ namespace nntpchan
{
/** returns base64 encoded string */
std::string B64Encode(const uint8_t * data, const std::size_t l);
/** @brief returns true if decode was successful */
bool B64Decode(const std::string & data, std::vector<uint8_t> & out);
}

27
contrib/backends/nntpchan-daemon/src/nntp_handler.cpp
View File

@ -19,7 +19,7 @@ namespace nntpchan
{
if(m_auth) delete m_auth;
}
void NNTPServerHandler::HandleLine(const std::string &line)
{
if(m_state == eStateReadCommand) {
@ -55,7 +55,7 @@ namespace nntpchan
} else {
// get mode
}
} else {
// unknown command
QueueLine("500 Unknown Command");
@ -64,7 +64,24 @@ namespace nntpchan
void NNTPServerHandler::SwitchMode(const std::string & mode)
{
if (mode == "READER") {
m_mode = mode;
if(PostingAllowed()) {
QueueLine("200 Posting is permitted yo");
} else {
QueueLine("201 Posting is not permitted yo");
}
} else if (mode == "STREAM") {
m_mode = mode;
if (PostingAllowed()) {
QueueLine("203 Streaming enabled");
} else {
QueueLine("483 Streaming Denied");
}
} else {
// unknown mode
QueueLine("500 Unknown mode");
}
}
void NNTPServerHandler::Quit()
@ -83,10 +100,10 @@ namespace nntpchan
{
return m_authed || m_auth == nullptr;
}
void NNTPServerHandler::Greet()
{
if(PostingAllowed())
if(PostingAllowed())
QueueLine("200 Posting allowed");
else
QueueLine("201 Posting not allowed");

2
contrib/backends/srndv2/src/srnd/daemon.go
View File

@ -877,7 +877,7 @@ func (self *NNTPDaemon) poll(worker int) {
}
minconn := lowestBacklogConnection(send)
if minconn != nil {
minconn.offerStream(nntp.MessageID(), sz)
go minconn.offerStream(nntp.MessageID(), sz)
}
}
}

147
contrib/backends/srndv2/src/srnd/mod.go
View File

@ -48,11 +48,22 @@ type ModUI interface {
MessageChan() chan NNTPMessage
}
type ModAction string
const ModInetBan = ModAction("overchan-inet-ban")
const ModDelete = ModAction("overchan-delete")
const ModRemoveAttachment = ModAction("overchan-del-attachment")
const ModStick = ModAction("overchan-stick")
const ModLock = ModAction("overchan-lock")
const ModHide = ModAction("overchan-hide")
const ModSage = ModAction("overchan-sage")
const ModDeleteAlt = ModAction("delete")
type ModEvent interface {
// turn it into a string for putting into an article
String() string
// what type of mod event
Action() string
Action() ModAction
// what reason for the event
Reason() string
// what is the event acting on
@ -69,8 +80,8 @@ func (self simpleModEvent) String() string {
return string(self)
}
func (self simpleModEvent) Action() string {
return strings.Split(string(self), " ")[0]
func (self simpleModEvent) Action() ModAction {
return ModAction(strings.Split(string(self), " ")[0])
}
func (self simpleModEvent) Reason() string {
@ -156,6 +167,8 @@ type ModEngine interface {
AllowDelete(pubkey, msgid string) bool
// do we allow this public key to do inet-ban?
AllowBan(pubkey string) bool
// allow janitor
AllowJanitor(pubkey string) bool
// load a mod message
LoadMessage(msgid string) NNTPMessage
// execute 1 mod action line by a mod with pubkey
@ -255,6 +268,18 @@ func (self *modEngine) AllowBan(pubkey string) bool {
return self.database.CheckModPubkeyGlobal(pubkey)
}
func (self *modEngine) AllowJanitor(pubkey string) bool {
is_admin, _ := self.database.CheckAdminPubkey(pubkey)
if is_admin {
return true
}
if self.database.CheckModPubkeyGlobal(pubkey) {
return true
}
// TODO: more checks
return false
}
func (self *modEngine) AllowDelete(pubkey, msgid string) (allow bool) {
is_admin, _ := self.database.CheckAdminPubkey(pubkey)
if is_admin {
@ -294,7 +319,8 @@ func (mod *modEngine) HandleMessage(msgid string) {
func (mod *modEngine) Do(ev ModEvent) {
action := ev.Action()
if action == "delete" {
target := ev.Target()
if action == ModDelete || action == ModDeleteAlt {
msgid := ev.Target()
if !ValidMessageID(msgid) {
// invalid message-id
@ -308,9 +334,8 @@ func (mod *modEngine) Do(ev ModEvent) {
log.Println("deleted", msgid)
}
} else if action == "overchan-inet-ban" {
} else if action == ModInetBan {
// ban action
target := ev.Target()
if target[0] == '[' {
err := mod.BanAddress(target)
if err != nil {
@ -357,6 +382,27 @@ func (mod *modEngine) Do(ev ModEvent) {
} else {
log.Printf("invalid overchan-inet-ban: target=%s", target)
}
} else if action == ModHide {
// TODO: implement
} else if action == ModLock {
// TODO: implement
} else if action == ModSage {
// TODO: implement
} else if action == ModStick {
// TODO: implement
} else if action == ModRemoveAttachment {
var delfiles []string
atts := mod.database.GetPostAttachments(target)
if atts != nil {
for _, att := range atts {
delfiles = append(delfiles, mod.store.AttachmentFilepath(att))
delfiles = append(delfiles, mod.store.ThumbnailFilepath(att))
}
}
for _, f := range delfiles {
log.Println("remove file", f)
os.Remove(f)
}
} else {
log.Println("invalid mod action", action)
}
@ -364,77 +410,28 @@ func (mod *modEngine) Do(ev ModEvent) {
func (mod *modEngine) Execute(ev ModEvent, pubkey string) {
action := ev.Action()
if action == "delete" {
msgid := ev.Target()
if !ValidMessageID(msgid) {
// invalid message-id
log.Println("invalid message-id for mod delete from", pubkey)
return
target := ev.Target()
switch action {
case ModDeleteAlt:
case ModDelete:
if mod.AllowDelete(pubkey, target) {
mod.Do(ev)
}
// this is a delete action
if mod.AllowDelete(pubkey, msgid) {
err := mod.DeletePost(msgid)
if err != nil {
log.Println(msgid, err)
}
} else {
log.Printf("pubkey=%s will not delete %s not trusted", pubkey, msgid)
return
case ModInetBan:
if mod.AllowBan(pubkey) {
mod.Do(ev)
}
} else if action == "overchan-inet-ban" {
// ban action
target := ev.Target()
if target[0] == '[' {
// probably a literal ipv6 rangeban
if mod.AllowBan(pubkey) {
err := mod.BanAddress(target)
if err != nil {
log.Println("failed to do literal ipv6 range ban on", target, err)
}
} else {
log.Println("ignoring literal ipv6 rangeban from", pubkey, "as they are not allowed to ban")
}
return
return
case ModHide:
case ModLock:
case ModSage:
case ModStick:
case ModRemoveAttachment:
if mod.AllowJanitor(pubkey) {
mod.Do(ev)
}
parts := strings.Split(target, ":")
if len(parts) == 3 {
// encrypted ip
encaddr, key := parts[0], parts[1]
cidr := decAddr(encaddr, key)
if cidr == "" {
log.Println("failed to decrypt inet ban")
} else if mod.AllowBan(pubkey) {
err := mod.BanAddress(cidr)
if err != nil {
log.Println("failed to do range ban on", cidr, err)
}
} else {
log.Println("ingoring encrypted-ip inet ban from", pubkey, "as they are not allowed to ban")
}
} else if len(parts) == 2 {
// x-encrypted-ip ban without pad
if mod.AllowBan(pubkey) {
err := mod.database.BanEncAddr(parts[0])
if err != nil {
log.Println("failed to ban encrypted ip", err)
}
} else {
log.Println("ignoring encrypted-ip ban from", pubkey, "as they are not allowed to ban")
}
} else if len(parts) == 1 {
// literal cidr
cidr := parts[0]
if mod.AllowBan(pubkey) {
err := mod.BanAddress(cidr)
if err != nil {
log.Println("failed to do literal range ban on", cidr, err)
}
} else {
log.Println("ingoring literal cidr range ban from", pubkey, "as they are not allowed to ban")
}
} else {
log.Printf("invalid overchan-inet-ban: target=%s", target)
}
} else {
log.Println("invalid mod action", action, "from", pubkey)
default:
// invalid action
}
}