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Merge pull request #4 from takutakahashi/webp
Implemented WebP Convert
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,60 @@ | ||
package main | ||
|
||
import ( | ||
"bytes" | ||
"fmt" | ||
"io" | ||
"log" | ||
"net/http" | ||
"net/url" | ||
"os" | ||
"os/exec" | ||
) | ||
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func doWebp(req *http.Request) (*http.Response, error) { | ||
var orgRes *http.Response | ||
orgURL := req.URL | ||
newPath := orgURL.Path[:len(orgURL.Path)-len(".webp")] | ||
newOrgURL, err := url.Parse(fmt.Sprintf("%s://%s%s?%s", orgURL.Scheme, orgURL.Host, newPath, orgURL.RawQuery)) | ||
if err != nil { | ||
log.Println(err) | ||
return nil, err | ||
} | ||
newReq, err := http.NewRequest("GET", newOrgURL.String(), nil) | ||
newReq.Header = req.Header | ||
if err != nil { | ||
log.Println(err) | ||
return nil, err | ||
} | ||
orgRes, err = client.Do(newReq) | ||
if err != nil { | ||
log.Println(err) | ||
return nil, err | ||
} | ||
if orgRes.StatusCode != 200 { | ||
log.Println(orgRes.Status) | ||
return nil, err | ||
} | ||
return orgRes, nil | ||
} | ||
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func convWebp(src io.Reader, params []string) (*bytes.Buffer, error) { | ||
f, err := os.CreateTemp("/tmp", "") | ||
if err != nil { | ||
return nil, err | ||
} | ||
defer f.Close() | ||
defer os.Remove(f.Name()) | ||
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_, err = io.Copy(f, src) | ||
if err != nil { | ||
return nil, err | ||
} | ||
params = append(params, "-quiet", "-mt", "-jpeg_like", f.Name(), "-o", "-") | ||
out, err := exec.Command("cwebp", params...).Output() | ||
if err != nil { | ||
log.Println(err) | ||
return nil, err | ||
} | ||
return bytes.NewBuffer(out), nil | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,56 @@ | ||
package main | ||
|
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import ( | ||
"io" | ||
"net/http" | ||
"net/http/httptest" | ||
"testing" | ||
) | ||
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func TestProxyWebP(t *testing.T) { | ||
ts := httptest.NewServer(http.HandlerFunc(proxy)) | ||
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origin := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
http.ServeFile(w, r, "./testdata/oyaki.jpg") | ||
})) | ||
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orgSrvURL = origin.URL | ||
url := ts.URL + "/oyaki.jpg.webp" | ||
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req, _ := http.NewRequest("GET", url, nil) | ||
resp, err := doWebp(req) | ||
if err != nil { | ||
t.Fatal(err) | ||
} else { | ||
io.ReadAll(resp.Body) | ||
resp.Body.Close() | ||
} | ||
// match with origin file info | ||
if resp.Header.Get("Content-Type") != "image/jpeg" { | ||
t.Error("wrong header Content-Type") | ||
t.Error(resp.Header) | ||
} | ||
} | ||
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func TestConvJPG2WebP(t *testing.T) { | ||
ts := httptest.NewServer(http.HandlerFunc(proxy)) | ||
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origin := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
http.ServeFile(w, r, "./testdata/oyaki.jpg") | ||
})) | ||
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orgSrvURL = origin.URL | ||
url := ts.URL + "/oyaki.jpg.webp" | ||
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req, _ := http.NewRequest("GET", url, nil) | ||
resp, err := doWebp(req) | ||
if err != nil { | ||
t.Fatal(err) | ||
} | ||
defer resp.Body.Close() | ||
_, err = convWebp(resp.Body, []string{}) | ||
if err != nil { | ||
t.Fatal(err) | ||
} | ||
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} |