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Fix discord webhook 400 status code when description limit is exceeded #34084

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Merged
merged 6 commits into from
Apr 4, 2025
Merged

Fix discord webhook 400 status code when description limit is exceeded #34084

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8876d34
limit discord description size
Mopcho Mar 31, 2025
46df7e5
Truncate at 2000-th character for simplicity
Mopcho Apr 4, 2025
a97413c
Merge branch 'go-gitea:main' into set-limit-to-discord-wh-description
Mopcho Apr 4, 2025
0916ac6
Improve comment
Mopcho Apr 4, 2025
57a0fd7
Update services/webhook/discord.go
wxiaoguang Apr 4, 2025
3352661
Merge branch 'main' into set-limit-to-discord-wh-description
GiteaBot Apr 4, 2025
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9 changes: 8 additions & 1 deletion services/webhook/discord.go
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Original file line number Diff line number Diff line change
Expand Up @@ -101,6 +101,13 @@ var (
redColor = color("ff3232")
)

// https://discord.com/developers/docs/resources/message#embed-object-embed-limits
// Discord has some limits in place for the embeds.
// According to some tests, there is no consistent limit for different characet sets.
// For example: 4096 ASCII letters are allowed, but only 2490 emoji characters are allowed.
// To keep it simple, we currently truncate at 2000.
const discordDescriptionCharactersLimit = 2000

type discordConvertor struct {
Username string
AvatarURL string
Expand Down Expand Up @@ -313,7 +320,7 @@ func (d discordConvertor) createPayload(s *api.User, title, text, url string, co
Embeds: []DiscordEmbed{
{
Title: title,
Description: text,
Description: util.TruncateRunes(text, discordDescriptionCharactersLimit),
URL: url,
Color: color,
Author: DiscordEmbedAuthor{
Expand Down
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