| 1 | package bmsteams |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "fmt" |
| 6 | "io" |
| 7 | "strings" |
| 8 | |
| 9 | "github.com/matterbridge-org/matterbridge/bridge/config" |
| 10 | "github.com/matterbridge-org/matterbridge/bridge/helper" |
| 11 | |
| 12 | msgraph "github.com/yaegashi/msgraph.go/beta" |
| 13 | ) |
| 14 | |
| 15 | func (b *Bmsteams) findFile(weburl string) (string, error) { |
| 16 | itemRB, err := b.gc.GetDriveItemByURL(b.ctx, weburl) |
| 17 | if err != nil { |
| 18 | return "", err |
| 19 | } |
| 20 | itemRB.Workbook().Worksheets() |
| 21 | b.gc.Workbooks() |
| 22 | item, err := itemRB.Request().Get(b.ctx) |
| 23 | if err != nil { |
| 24 | return "", err |
| 25 | } |
| 26 | if url, ok := item.GetAdditionalData("@microsoft.graph.downloadUrl"); ok { |
| 27 | return url.(string), nil |
| 28 | } |
| 29 | return "", nil |
| 30 | } |
| 31 | |
| 32 | // handleDownloadFile handles file download |
| 33 | func (b *Bmsteams) handleDownloadFile(rmsg *config.Message, filename, weburl string) error { |
| 34 | realURL, err := b.findFile(weburl) |
| 35 | if err != nil { |
| 36 | return err |
| 37 | } |
| 38 | // Actually download the file. |
| 39 | data, err := helper.DownloadFile(realURL) |
| 40 | if err != nil { |
| 41 | return fmt.Errorf("download %s failed %#v", weburl, err) |
| 42 | } |
| 43 | |
| 44 | // If a comment is attached to the file(s) it is in the 'Text' field of the teams messge event |
| 45 | // and should be added as comment to only one of the files. We reset the 'Text' field to ensure |
| 46 | // that the comment is not duplicated. |
| 47 | comment := rmsg.Text |
| 48 | rmsg.Text = "" |
| 49 | helper.HandleDownloadData(b.Log, rmsg, filename, comment, weburl, data, b.General) |
| 50 | return nil |
| 51 | } |
| 52 | |
| 53 | func (b *Bmsteams) handleAttachments(rmsg *config.Message, msg msgraph.ChatMessage) { |
| 54 | for _, a := range msg.Attachments { |
| 55 | //remove the attachment tags from the text |
| 56 | rmsg.Text = attachRE.ReplaceAllString(rmsg.Text, "") |
| 57 | |
| 58 | //handle a code snippet (code block) |
| 59 | if *a.ContentType == "application/vnd.microsoft.card.codesnippet" { |
| 60 | b.handleCodeSnippet(rmsg, a) |
| 61 | continue |
| 62 | } |
| 63 | |
| 64 | //handle the download |
| 65 | err := b.handleDownloadFile(rmsg, *a.Name, *a.ContentURL) |
| 66 | if err != nil { |
| 67 | b.Log.Errorf("download of %s failed: %s", *a.Name, err) |
| 68 | } |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | type AttachContent struct { |
| 73 | Language string `json:"language"` |
| 74 | CodeSnippetURL string `json:"codeSnippetUrl"` |
| 75 | } |
| 76 | |
| 77 | func (b *Bmsteams) handleCodeSnippet(rmsg *config.Message, attach msgraph.ChatMessageAttachment) { |
| 78 | var content AttachContent |
| 79 | err := json.Unmarshal([]byte(*attach.Content), &content) |
| 80 | if err != nil { |
| 81 | b.Log.Errorf("unmarshal codesnippet failed: %s", err) |
| 82 | return |
| 83 | } |
| 84 | s := strings.Split(content.CodeSnippetURL, "/") |
| 85 | if len(s) != 13 { |
| 86 | b.Log.Errorf("codesnippetUrl has unexpected size: %s", content.CodeSnippetURL) |
| 87 | return |
| 88 | } |
| 89 | resp, err := b.gc.Teams().Request().Client().Get(content.CodeSnippetURL) |
| 90 | if err != nil { |
| 91 | b.Log.Errorf("retrieving snippet content failed:%s", err) |
| 92 | return |
| 93 | } |
| 94 | defer resp.Body.Close() |
| 95 | |
| 96 | res, err := io.ReadAll(resp.Body) |
| 97 | if err != nil { |
| 98 | b.Log.Errorf("reading snippet data failed: %s", err) |
| 99 | return |
| 100 | } |
| 101 | rmsg.Text = rmsg.Text + "\n```" + content.Language + "\n" + string(res) + "\n```\n" |
| 102 | } |
| 103 | |
