79 lines
2.2 KiB
Go
79 lines
2.2 KiB
Go
package social
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import (
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"net/url"
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"regexp"
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"strings"
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"git.nakama.town/fmartingr/butterrobot/internal/model"
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"git.nakama.town/fmartingr/butterrobot/internal/plugin"
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)
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// TwitterExpander transforms twitter.com links to fxtwitter.com links
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type TwitterExpander struct {
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plugin.BasePlugin
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}
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// New creates a new TwitterExpander instance
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func NewTwitterExpander() *TwitterExpander {
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return &TwitterExpander{
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BasePlugin: plugin.BasePlugin{
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ID: "social.twitter",
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Name: "Twitter Link Expander",
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Help: "Automatically converts twitter.com links to fxtwitter.com links and removes tracking parameters",
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},
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}
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}
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// OnMessage handles incoming messages
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func (p *TwitterExpander) OnMessage(msg *model.Message, config map[string]interface{}) []*model.Message {
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// Skip empty messages
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if strings.TrimSpace(msg.Text) == "" {
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return nil
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}
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// Regex to match twitter.com links
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// Match both http://twitter.com and https://twitter.com formats
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// Also match www.twitter.com
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twitterRegex := regexp.MustCompile(`https?://(www\.)?(twitter\.com|x\.com)/[^\s]+`)
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// Check if the message contains a Twitter link
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if !twitterRegex.MatchString(msg.Text) {
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return nil
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}
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// Replace twitter.com with fxtwitter.com in the message and clean query parameters
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transformed := twitterRegex.ReplaceAllStringFunc(msg.Text, func(link string) string {
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// Parse the URL
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parsedURL, err := url.Parse(link)
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if err != nil {
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// If parsing fails, just do the simple replacement
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link = strings.Replace(link, "twitter.com", "fxtwitter.com", 1)
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link = strings.Replace(link, "x.com", "fxtwitter.com", 1)
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return link
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}
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// Change the host
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if strings.Contains(parsedURL.Host, "twitter.com") {
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parsedURL.Host = strings.Replace(parsedURL.Host, "twitter.com", "fxtwitter.com", 1)
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} else if strings.Contains(parsedURL.Host, "x.com") {
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parsedURL.Host = strings.Replace(parsedURL.Host, "x.com", "fxtwitter.com", 1)
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}
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// Remove query parameters
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parsedURL.RawQuery = ""
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// Return the cleaned URL
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return parsedURL.String()
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})
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// Create response message
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response := &model.Message{
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Text: transformed,
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Chat: msg.Chat,
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ReplyTo: msg.ID,
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Channel: msg.Channel,
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}
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return []*model.Message{response}
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}
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