David Christofas
34dcaf9ffe
If the file is not cached we have to get it from somewhere. For that I implemented a webdav file source which gets the file from reva.
42 lines
931 B
Go
42 lines
931 B
Go
package imgsource
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import (
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"fmt"
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"image"
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"net/http"
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"net/url"
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"path"
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)
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// WebDav implements the Source interface for webdav services
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type WebDav struct {
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Basepath string
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}
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const (
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// WebDavAuth is the parameter name for the autorization token
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WebDavAuth = "Authorization"
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)
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// Get downloads the file from a webdav service
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func (s WebDav) Get(file string, ctx SourceContext) (image.Image, error) {
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u, _ := url.Parse(s.Basepath)
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u.Path = path.Join(u.Path, file)
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req, err := http.NewRequest(http.MethodGet, u.String(), nil)
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if err != nil {
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return nil, fmt.Errorf("could not get the file %s error: %s", file, err.Error())
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}
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auth := ctx.GetString(WebDavAuth)
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req.Header.Add("Authorization", auth)
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client := &http.Client{}
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resp, err := client.Do(req)
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if err != nil {
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return nil, fmt.Errorf("could not get the file %s error: %s", file, err.Error())
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}
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img, _, _ := image.Decode(resp.Body)
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return img, nil
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}
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