Mercurial > gemma

annotate pkg/soap/oauth.go @ 5688:6281c18b109f sr-v2

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Finsh serializing v2 meshes.
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 12 Feb 2024 02:27:41 +0100
parents a826d84485c8
children
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1 // This is Free Software under GNU Affero General Public License v >= 3.0
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2 // without warranty, see README.md and license for details.
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3 //
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4 // SPDX-License-Identifier: AGPL-3.0-or-later
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5 // License-Filename: LICENSES/AGPL-3.0.txt
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6 //
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7 // Copyright (C) 2022 by via donau
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH
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9 // Software engineering by Intevation GmbH
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10 //
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11 // Author(s):
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12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de>
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13
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14 package soap
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15
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16 import (
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17 "encoding/base64"
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18 "encoding/json"
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19 "fmt"
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20 "net/http"
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21 "strings"
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22 )
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23
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24 type Token struct {
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25 AccessToken string `json:"access_token"`
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26 Scope string `json:"scope"`
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27 TokenType string `json:"token_type"`
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28 ExpiresIn int `json:"expires_in"`
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29 }
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30
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31 func (token *Token) AddAuth(request *http.Request) {
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32 request.Header.Add("Authorization", "Bearer "+token.AccessToken)
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33 }
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34
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35 func FetchToken(tokenURL, key, secret string) (*Token, error) {
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36
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37 keyPair := key + ":" + secret
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38
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39 encodedKeyPair := base64.URLEncoding.EncodeToString([]byte(keyPair))
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40
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41 req, err := http.NewRequest(
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42 http.MethodPost,
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43 tokenURL,
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44 strings.NewReader("grant_type=client_credentials"))
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45
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46 if err != nil {
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47 return nil, err
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48 }
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49
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50 req.Header.Set("Authorization", "Basic "+encodedKeyPair)
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51
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52 resp, err := http.DefaultClient.Do(req)
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53 if err != nil {
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54 return nil, err
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55 }
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56
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57 if resp.StatusCode != http.StatusOK {
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58 return nil, fmt.Errorf(
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59 "POST failed: %s (%d)",
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60 http.StatusText(resp.StatusCode),
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61 resp.StatusCode)
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62 }
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63
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64 var token Token
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65 defer resp.Body.Close()
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66
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67 if err = json.NewDecoder(resp.Body).Decode(&token); err != nil {
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68 return nil, err
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69 }
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70 return &token, err
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71 }