mirror of
https://github.com/superseriousbusiness/gotosocial.git
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65 lines
2.1 KiB
Go
65 lines
2.1 KiB
Go
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/*
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GoToSocial
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Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package testrig
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import (
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"bytes"
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"io"
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"mime/multipart"
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"os"
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)
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// CreateMultipartFormData is a handy function for taking a fieldname and a filename, and creating a multipart form bytes buffer
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// with the file contents set in the given fieldname. The extraFields param can be used to add extra FormFields to the request, as necessary.
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// The returned bytes.Buffer b can be used like so:
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// httptest.NewRequest(http.MethodPost, "https://example.org/whateverpath", bytes.NewReader(b.Bytes()))
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// The returned *multipart.Writer w can be used to set the content type of the request, like so:
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// req.Header.Set("Content-Type", w.FormDataContentType())
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func CreateMultipartFormData(fieldName string, fileName string, extraFields map[string]string) (bytes.Buffer, *multipart.Writer, error) {
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var b bytes.Buffer
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var err error
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w := multipart.NewWriter(&b)
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var fw io.Writer
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file, err := os.Open(fileName)
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if err != nil {
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return b, nil, err
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}
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if fw, err = w.CreateFormFile(fieldName, file.Name()); err != nil {
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return b, nil, err
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}
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if _, err = io.Copy(fw, file); err != nil {
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return b, nil, err
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}
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for k, v := range extraFields {
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f, err := w.CreateFormField(k)
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if err != nil {
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return b, nil, err
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}
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if _, err := io.Copy(f, bytes.NewBufferString(v)); err != nil {
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return b, nil, err
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}
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}
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if err := w.Close(); err != nil {
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return b, nil, err
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}
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return b, w, nil
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}
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