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ex-takashima
fe51cd504f
Replace hand-rolled HTTP/HMAC/JSON code (~270 lines) with the official line-bot-sdk-go v8, reducing maintenance burden and eliminating potential bugs in signature verification, request construction, and response parsing. This continues the work started in #500 by @xiaket, addressing all review feedback and rebasing onto current main. Changes: - Replace bytes/crypto/json/io imports with line-bot-sdk-go/v8 - Use webhook.ParseRequest for body reading + signature verification - Use messaging_api.MessagingApiAPI for ReplyMessage/PushMessage/ShowLoadingAnimation/GetBotInfo - Type-switch on webhook.MessageEvent message types (TextMessageContent, ImageMessageContent, etc.) instead of JSON unmarshalling - Type-switch on webhook.SourceInterface (UserSource/GroupSource/RoomSource) - Type-switch on webhook.Mentionee (UserMentionee/AllMentionee) Review feedback addressed (from #500): - Use WithContext(ctx) on all SDK calls to preserve cancellation/timeout - Fix variable shadowing of isMentioned (declared at function scope) - Remove reflect-based message ID extraction (use type switch + msg.Id) - Use mentionee.IsSelf for cleaner bot mention detection - Preserve body size security check via http.MaxBytesReader before webhook.ParseRequest (compatible with #1413) All existing tests pass without modification.