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mediaapi/writers/download: Factor out createRemoteRequest

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This commit is contained in:
Robert Swain 2017-05-11 10:36:32 +02:00
parent ef7dc8c8c5
commit 6c3dbb9b48
1 changed files with 45 additions and 40 deletions
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85
src/github.com/matrix-org/dendrite/mediaapi/writers/download.go
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@ -235,6 +235,48 @@ func respondFromLocalFile(w http.ResponseWriter, logger *log.Entry, mediaMetadat
}
}
func createRemoteRequest(mediaMetadata *types.MediaMetadata, logger *log.Entry) (*http.Response, *util.JSONResponse) {
urls := getMatrixUrls(mediaMetadata.Origin)
logger.Printf("Connecting to remote %q\n", urls[0])
remoteReqAddr := urls[0] + "/_matrix/media/v1/download/" + string(mediaMetadata.Origin) + "/" + string(mediaMetadata.MediaID)
remoteReq, err := http.NewRequest("GET", remoteReqAddr, nil)
if err != nil {
return nil, &util.JSONResponse{
Code: 500,
JSON: jsonerror.Unknown(fmt.Sprintf("File with media ID %q could not be downloaded from %q", mediaMetadata.MediaID, mediaMetadata.Origin)),
}
}
remoteReq.Header.Set("Host", string(mediaMetadata.Origin))
client := http.Client{}
resp, err := client.Do(remoteReq)
if err != nil {
return nil, &util.JSONResponse{
Code: 502,
JSON: jsonerror.Unknown(fmt.Sprintf("File with media ID %q could not be downloaded from %q", mediaMetadata.MediaID, mediaMetadata.Origin)),
}
}
if resp.StatusCode != 200 {
logger.Printf("Server responded with %d\n", resp.StatusCode)
if resp.StatusCode == 404 {
return nil, &util.JSONResponse{
Code: 404,
JSON: jsonerror.NotFound(fmt.Sprintf("File with media ID %q does not exist", mediaMetadata.MediaID)),
}
}
return nil, &util.JSONResponse{
Code: 502,
JSON: jsonerror.Unknown(fmt.Sprintf("File with media ID %q could not be downloaded from %q", mediaMetadata.MediaID, mediaMetadata.Origin)),
}
}
return resp, nil
}
func respondFromRemoteFile(w http.ResponseWriter, logger *log.Entry, mediaMetadata *types.MediaMetadata, cfg config.MediaAPI, db *storage.Database, activeRemoteRequests *types.ActiveRemoteRequests) {
logger.WithFields(log.Fields{
"MediaID": mediaMetadata.MediaID,
@ -259,50 +301,13 @@ func respondFromRemoteFile(w http.ResponseWriter, logger *log.Entry, mediaMetada
}
}()
// create request for remote file
urls := getMatrixUrls(mediaMetadata.Origin)
logger.Printf("Connecting to remote %q\n", urls[0])
remoteReqAddr := urls[0] + "/_matrix/media/v1/download/" + string(mediaMetadata.Origin) + "/" + string(mediaMetadata.MediaID)
remoteReq, err := http.NewRequest("GET", remoteReqAddr, nil)
if err != nil {
jsonErrorResponse(w, util.JSONResponse{
Code: 500,
JSON: jsonerror.Unknown(fmt.Sprintf("File with media ID %q could not be downloaded from %q", mediaMetadata.MediaID, mediaMetadata.Origin)),
}, logger)
return
}
remoteReq.Header.Set("Host", string(mediaMetadata.Origin))
client := http.Client{}
resp, err := client.Do(remoteReq)
if err != nil {
jsonErrorResponse(w, util.JSONResponse{
Code: 502,
JSON: jsonerror.Unknown(fmt.Sprintf("File with media ID %q could not be downloaded from %q", mediaMetadata.MediaID, mediaMetadata.Origin)),
}, logger)
resp, errorResponse := createRemoteRequest(mediaMetadata, logger)
if errorResponse != nil {
jsonErrorResponse(w, *errorResponse, logger)
return
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
logger.Printf("Server responded with %d\n", resp.StatusCode)
if resp.StatusCode == 404 {
jsonErrorResponse(w, util.JSONResponse{
Code: 404,
JSON: jsonerror.NotFound(fmt.Sprintf("File with media ID %q does not exist", mediaMetadata.MediaID)),
}, logger)
return
}
jsonErrorResponse(w, util.JSONResponse{
Code: 502,
JSON: jsonerror.Unknown(fmt.Sprintf("File with media ID %q could not be downloaded from %q", mediaMetadata.MediaID, mediaMetadata.Origin)),
}, logger)
return
}
// get metadata from request and set metadata on response
contentLength, err := strconv.ParseInt(resp.Header.Get("Content-Length"), 10, 64)
if err != nil {