1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
<script>
import { mapActions, mapMutations } from 'vuex';
import { GlButton } from '@gitlab/ui';
import { sprintf } from '~/locale';
import {
GITLAB_COM_BASE_PATH,
I18N_DEFAULT_SIGN_IN_BUTTON_TEXT,
I18N_CUSTOM_SIGN_IN_BUTTON_TEXT,
I18N_OAUTH_APPLICATION_ID_ERROR_MESSAGE,
I18N_OAUTH_FAILED_TITLE,
I18N_OAUTH_FAILED_MESSAGE,
OAUTH_SELF_MANAGED_DOC_LINK,
OAUTH_WINDOW_OPTIONS,
OAUTH_CALLBACK_MESSAGE_TYPE,
PKCE_CODE_CHALLENGE_DIGEST_ALGORITHM,
} from '~/jira_connect/subscriptions/constants';
import { fetchOAuthApplicationId, fetchOAuthToken } from '~/jira_connect/subscriptions/api';
import { setUrlParams } from '~/lib/utils/url_utility';
import AccessorUtilities from '~/lib/utils/accessor';
import { createCodeVerifier, createCodeChallenge } from '../pkce';
import { SET_ACCESS_TOKEN, SET_ALERT } from '../store/mutation_types';
export default {
components: {
GlButton,
},
inject: ['oauthMetadata'],
props: {
gitlabBasePath: {
type: String,
required: false,
default: undefined,
},
},
data() {
return {
loading: false,
codeVerifier: null,
clientId: null,
canUseCrypto: AccessorUtilities.canUseCrypto(),
};
},
computed: {
isGitlabCom() {
return this.gitlabBasePath === GITLAB_COM_BASE_PATH;
},
buttonText() {
if (this.isGitlabCom) {
return I18N_DEFAULT_SIGN_IN_BUTTON_TEXT;
}
return sprintf(I18N_CUSTOM_SIGN_IN_BUTTON_TEXT, { url: this.gitlabBasePath });
},
},
created() {
window.addEventListener('message', this.handleWindowMessage);
},
beforeDestroy() {
window.removeEventListener('message', this.handleWindowMessage);
},
methods: {
...mapActions(['loadCurrentUser']),
...mapMutations({
setAccessToken: SET_ACCESS_TOKEN,
setAlert: SET_ALERT,
}),
async fetchOauthClientId() {
const {
data: { application_id: clientId },
} = await fetchOAuthApplicationId();
return clientId;
},
async getOauthAuthorizeURL() {
// Generate state necessary for PKCE OAuth flow
this.codeVerifier = createCodeVerifier();
const codeChallenge = await createCodeChallenge(this.codeVerifier);
try {
this.clientId = this.isGitlabCom
? this.oauthMetadata?.oauth_token_payload?.client_id
: await this.fetchOauthClientId();
} catch {
throw new Error(I18N_OAUTH_APPLICATION_ID_ERROR_MESSAGE);
}
// Build the initial OAuth authorization URL
const { oauth_authorize_url: oauthAuthorizeURL } = this.oauthMetadata;
const oauthAuthorizeURLWithChallenge = new URL(
setUrlParams(
{
code_challenge: codeChallenge,
code_challenge_method: PKCE_CODE_CHALLENGE_DIGEST_ALGORITHM.short,
client_id: this.clientId,
},
oauthAuthorizeURL,
),
);
// Rebase URL on the specified GitLab base path (if specified).
if (!this.isGitlabCom) {
const gitlabBasePathURL = new URL(this.gitlabBasePath);
oauthAuthorizeURLWithChallenge.hostname = gitlabBasePathURL.hostname;
oauthAuthorizeURLWithChallenge.pathname = `${
gitlabBasePathURL.pathname === '/' ? '' : gitlabBasePathURL.pathname
}${oauthAuthorizeURLWithChallenge.pathname}`;
}
return oauthAuthorizeURLWithChallenge.toString();
},
async startOAuthFlow() {
try {
this.loading = true;
const oauthAuthorizeURL = await this.getOauthAuthorizeURL();
window.open(oauthAuthorizeURL, I18N_DEFAULT_SIGN_IN_BUTTON_TEXT, OAUTH_WINDOW_OPTIONS);
} catch (e) {
if (e.message) {
this.setAlert({
message: e.message,
variant: 'danger',
});
} else {
this.setAlert({
linkUrl: OAUTH_SELF_MANAGED_DOC_LINK,
title: I18N_OAUTH_FAILED_TITLE,
message: this.isGitlabCom ? '' : I18N_OAUTH_FAILED_MESSAGE,
variant: 'danger',
});
}
this.loading = false;
}
},
async handleWindowMessage(event) {
// Make sure this ia a message from the OAuth flow in pages/jira_connect/oauth_callbacks/index.js
if (event.data?.type !== OAUTH_CALLBACK_MESSAGE_TYPE) {
return;
}
if (window.origin !== event.origin) {
this.loading = false;
return;
}
// Verify that OAuth state isn't altered.
const state = event.data?.state;
if (state !== this.oauthMetadata.state) {
this.loading = false;
this.handleError();
return;
}
// Request access token and load the authenticated user.
const code = event.data?.code;
try {
const accessToken = await this.getOAuthToken(code);
await this.loadCurrentUser(accessToken);
this.setAccessToken(accessToken);
this.$emit('sign-in');
} catch (e) {
this.handleError();
} finally {
this.loading = false;
}
},
handleError() {
this.$emit('error');
},
async getOAuthToken(code) {
const {
oauth_token_payload: oauthTokenPayload,
oauth_token_path: oauthTokenPath,
} = this.oauthMetadata;
const { data } = await fetchOAuthToken(oauthTokenPath, {
...oauthTokenPayload,
code,
code_verifier: this.codeVerifier,
client_id: this.clientId,
});
return data.access_token;
},
},
};
</script>
<template>
<gl-button
v-bind="$attrs"
variant="info"
:loading="loading"
:disabled="!canUseCrypto"
@click="startOAuthFlow"
>
<slot>
{{ buttonText }}
</slot>
</gl-button>
</template>
|