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onedrive: Make link return direct download link (#5417) 

Co-authored-by: Cnly <minecnly@gmail.com>
This commit is contained in:
Xuanchen Wu 2021-06-22 21:25:08 +08:00 committed by GitHub
parent 96ace599a8
commit 0cb973f127
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1 changed files with 74 additions and 1 deletions
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75
backend/onedrive/onedrive.go
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@ -1503,7 +1503,80 @@ func (f *Fs) PublicLink(ctx context.Context, remote string, expire fs.Duration,
fmt.Println(err)
return "", err
}
return result.Link.WebURL, nil
shareURL := result.Link.WebURL
// Convert share link to direct download link if target is not a folder
// Not attempting to do the conversion for regional versions, just to be safe
if f.opt.Region != regionGlobal {
return shareURL, nil
}
if info.Folder != nil {
fs.Debugf(nil, "Can't convert share link for folder to direct link - returning the link as is")
return shareURL, nil
}
cnvFailMsg := "Don't know how to convert share link to direct link - returning the link as is"
directURL := ""
segments := strings.Split(shareURL, "/")
switch f.driveType {
case driveTypePersonal:
// Method: https://stackoverflow.com/questions/37951114/direct-download-link-to-onedrive-file
if len(segments) != 5 {
fs.Logf(f, cnvFailMsg)
return shareURL, nil
}
enc := base64.StdEncoding.EncodeToString([]byte(shareURL))
enc = strings.ReplaceAll(enc, "/", "_")
enc = strings.ReplaceAll(enc, "+", "-")
enc = strings.ReplaceAll(enc, "=", "")
directURL = fmt.Sprintf("https://api.onedrive.com/v1.0/shares/u!%s/root/content", enc)
case driveTypeBusiness:
// Method: https://docs.microsoft.com/en-us/sharepoint/dev/spfx/shorter-share-link-format
// Example:
// https://{tenant}-my.sharepoint.com/:t:/g/personal/{user_email}/{Opaque_String}
// --convert to->
// https://{tenant}-my.sharepoint.com/personal/{user_email}/_layouts/15/download.aspx?share={Opaque_String}
if len(segments) != 8 {
fs.Logf(f, cnvFailMsg)
return shareURL, nil
}
directURL = fmt.Sprintf("https://%s/%s/%s/_layouts/15/download.aspx?share=%s",
segments[2], segments[5], segments[6], segments[7])
case driveTypeSharepoint:
// Method: Similar to driveTypeBusiness
// Example:
// https://{tenant}.sharepoint.com/:t:/s/{site_name}/{Opaque_String}
// --convert to->
// https://{tenant}.sharepoint.com/sites/{site_name}/_layouts/15/download.aspx?share={Opaque_String}
//
// https://{tenant}.sharepoint.com/:t:/t/{team_name}/{Opaque_String}
// --convert to->
// https://{tenant}.sharepoint.com/teams/{team_name}/_layouts/15/download.aspx?share={Opaque_String}
//
// https://{tenant}.sharepoint.com/:t:/g/{Opaque_String}
// --convert to->
// https://{tenant}.sharepoint.com/_layouts/15/download.aspx?share={Opaque_String}
if len(segments) < 6 || len(segments) > 7 {
fs.Logf(f, cnvFailMsg)
return shareURL, nil
}
pathPrefix := ""
switch segments[4] {
case "s": // Site
pathPrefix = "/sites/" + segments[5]
case "t": // Team
pathPrefix = "/teams/" + segments[5]
case "g": // Root site
default:
fs.Logf(f, cnvFailMsg)
return shareURL, nil
}
directURL = fmt.Sprintf("https://%s%s/_layouts/15/download.aspx?share=%s",
segments[2], pathPrefix, segments[len(segments)-1])
}
return directURL, nil
}
// CleanUp deletes all the hidden files.