wide/file/importer.go

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// Copyright (c) 2014-2015, b3log.org
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
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package file
import (
"io"
"mime/multipart"
"net/http"
"os"
"path/filepath"
"github.com/b3log/wide/util"
)
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type fileInfo struct {
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Name string `json:"name"`
Type string `json:"type"`
Error string `json:"error,omitempty"`
}
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func handleUpload(p *multipart.Part, dir string) (fi *fileInfo) {
fi = &fileInfo{
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Name: p.FileName(),
Type: p.Header.Get("Content-Type"),
}
path := filepath.Clean(dir + "/" + fi.Name)
f, _ := os.Create(path)
io.Copy(f, p)
f.Close()
return
}
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func handleUploads(r *http.Request, dir string) (fileInfos []*fileInfo) {
fileInfos = make([]*fileInfo, 0)
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mr, err := r.MultipartReader()
part, err := mr.NextPart()
for err == nil {
if name := part.FormName(); name != "" {
if part.FileName() != "" {
fileInfos = append(fileInfos, handleUpload(part, dir))
}
}
part, err = mr.NextPart()
}
return
}
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// UploadHandler handles request of file upload.
func UploadHandler(w http.ResponseWriter, r *http.Request) {
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data := map[string]interface{}{"succ": true}
defer util.RetJSON(w, r, data)
q := r.URL.Query()
dir := q["path"][0]
data["files"] = handleUploads(r, dir)
}