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get_file_meta.go
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/
get_file_meta.go
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package clients
import (
models "cf-html5-apps-repo-cli-plugin/clients/models"
"cf-html5-apps-repo-cli-plugin/log"
"net/http"
"strconv"
"time"
)
// GetFileMeta get file size and etag
func GetFileMeta(serviceURL string, filePath string, accessToken string, appHostGUID string, resultChannel chan<- models.HTML5ApplicationFileMetadata) {
var metaData models.HTML5ApplicationFileMetadata
var request *http.Request
var response *http.Response
var err error
var html5URL string
html5URL = serviceURL + filePath
log.Tracef("Making HEAD request to: %s\n", html5URL)
client := &http.Client{}
request, err = http.NewRequest("HEAD", html5URL, nil)
if err != nil {
metaData.Error = err
resultChannel <- metaData
return
}
request.Header.Add("Authorization", "Bearer "+accessToken)
if appHostGUID != "" {
request.Header.Add("x-app-host-id", appHostGUID)
}
startTime := time.Now()
response, err = client.Do(request)
elapsedTime := time.Since(startTime)
log.Tracef("Request to %s took %v\n", html5URL, elapsedTime)
if err != nil {
metaData.Error = err
resultChannel <- metaData
return
}
defer response.Body.Close()
metaData.ETag = response.Header.Get("Etag")
metaData.FileSize, err = strconv.Atoi(response.Header.Get("Content-Length"))
if err != nil {
metaData.Error = err
resultChannel <- metaData
return
}
resultChannel <- metaData
}