yans/internal/protocol/constants.go

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package protocol
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var (
ErrSyntaxError = NNTPResponse{Code: 501, Message: "Syntax Error"}
)
func IsMessageHeaderAllowed(headerName string) bool {
switch headerName {
case
"Date",
"From",
"Message-ID",
"Newsgroups",
"Path",
"Subject",
"Comments",
"Keywords",
"In-Reply-To",
"Sender",
"MIME-Version",
"Content-Type",
"Content-Transfer-Encoding",
"Content-Disposition",
"Content-Language",
"Approved",
"Archive",
"Control",
"Distribution",
"Expires",
"Followup-To",
"Injection-Date",
"Injection-Info",
"Organization",
"References",
"Summary",
"Supersedes",
"User-Agent",
"Xref":
return true
}
return false
}
const (
CRLF = "\r\n"
MultilineEnding = "."
)
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const (
CommandCapabilities = "CAPABILITIES"
CommandQuit = "QUIT"
CommandDate = "DATE"
CommandMode = "MODE"
CommandList = "LIST"
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CommandGroup = "GROUP"
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CommandNewGroups = "NEWGROUPS"
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CommandPost = "POST"
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CommandListGroup = "LISTGROUP"
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CommandArticle = "ARTICLE"
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CommandHead = "HEAD"
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CommandBody = "BODY"
CommandStat = "STAT"
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CommandHelp = "HELP"
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CommandNewNews = "NEWNEWS"
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CommandLast = "LAST"
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CommandNext = "NEXT"
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)
const (
CapabilityNameVersion = "VERSION"
CapabilityNameReader = "READER"
CapabilityNameIHave = "IHAVE"
CapabilityNamePost = "POST"
CapabilityNameNewNews = "NEWNEWS"
CapabilityNameHdr = "HDR"
CapabilityNameOver = "OVER"
CapabilityNameList = "LIST"
CapabilityNameImplementation = "IMPLEMENTATION"
CapabilityNameModeReader = "MODE-READER"
)