]>
Commit | Line | Data |
---|---|---|
1 | import * as debug from 'debug' | |
2 | import { Injectable } from '@angular/core' | |
3 | import { NavigationCancel, NavigationEnd, Router } from '@angular/router' | |
4 | import { ServerService } from '../server' | |
5 | import { SessionStorageService } from '../wrappers/storage.service' | |
6 | ||
7 | const logger = debug('peertube:router:RedirectService') | |
8 | ||
9 | @Injectable() | |
10 | export class RedirectService { | |
11 | private static SESSION_STORAGE_LATEST_SESSION_URL_KEY = 'redirect-latest-session-url' | |
12 | ||
13 | // Default route could change according to the instance configuration | |
14 | static INIT_DEFAULT_ROUTE = '/videos/trending' | |
15 | static INIT_DEFAULT_TRENDING_ALGORITHM = 'most-viewed' | |
16 | ||
17 | private previousUrl: string | |
18 | private currentUrl: string | |
19 | ||
20 | private latestSessionUrl: string | |
21 | ||
22 | private redirectingToHomepage = false | |
23 | private defaultTrendingAlgorithm = RedirectService.INIT_DEFAULT_TRENDING_ALGORITHM | |
24 | private defaultRoute = RedirectService.INIT_DEFAULT_ROUTE | |
25 | ||
26 | constructor ( | |
27 | private router: Router, | |
28 | private serverService: ServerService, | |
29 | private storage: SessionStorageService | |
30 | ) { | |
31 | // The config is first loaded from the cache so try to get the default route | |
32 | const config = this.serverService.getHTMLConfig() | |
33 | if (config?.instance?.defaultClientRoute) { | |
34 | this.defaultRoute = config.instance.defaultClientRoute | |
35 | } | |
36 | if (config?.trending?.videos?.algorithms?.default) { | |
37 | this.defaultTrendingAlgorithm = config.trending.videos.algorithms.default | |
38 | } | |
39 | ||
40 | this.latestSessionUrl = this.storage.getItem(RedirectService.SESSION_STORAGE_LATEST_SESSION_URL_KEY) | |
41 | this.storage.removeItem(RedirectService.SESSION_STORAGE_LATEST_SESSION_URL_KEY) | |
42 | ||
43 | logger('Loaded latest session URL %s', this.latestSessionUrl) | |
44 | ||
45 | // Track previous url | |
46 | this.currentUrl = this.router.url | |
47 | router.events.subscribe(event => { | |
48 | if (event instanceof NavigationEnd || event instanceof NavigationCancel) { | |
49 | this.previousUrl = this.currentUrl | |
50 | this.currentUrl = event.url | |
51 | ||
52 | logger('Previous URL is %s, current URL is %s', this.previousUrl, this.currentUrl) | |
53 | logger('Setting %s as latest URL in session storage.', this.currentUrl) | |
54 | ||
55 | this.storage.setItem(RedirectService.SESSION_STORAGE_LATEST_SESSION_URL_KEY, this.currentUrl) | |
56 | } | |
57 | }) | |
58 | } | |
59 | ||
60 | getDefaultRoute () { | |
61 | return this.defaultRoute | |
62 | } | |
63 | ||
64 | getDefaultTrendingAlgorithm () { | |
65 | return this.defaultTrendingAlgorithm | |
66 | } | |
67 | ||
68 | redirectToLatestSessionRoute () { | |
69 | return this.doRedirect(this.latestSessionUrl) | |
70 | } | |
71 | ||
72 | redirectToPreviousRoute (fallbackRoute?: string) { | |
73 | return this.doRedirect(this.previousUrl, fallbackRoute) | |
74 | } | |
75 | ||
76 | getPreviousUrl () { | |
77 | return this.previousUrl | |
78 | } | |
79 | ||
80 | redirectToHomepage (skipLocationChange = false) { | |
81 | if (this.redirectingToHomepage) return | |
82 | ||
83 | this.redirectingToHomepage = true | |
84 | ||
85 | console.log('Redirecting to %s...', this.defaultRoute) | |
86 | ||
87 | this.router.navigateByUrl(this.defaultRoute, { skipLocationChange }) | |
88 | .then(() => this.redirectingToHomepage = false) | |
89 | .catch(() => { | |
90 | this.redirectingToHomepage = false | |
91 | ||
92 | console.error( | |
93 | 'Cannot navigate to %s, resetting default route to %s.', | |
94 | this.defaultRoute, | |
95 | RedirectService.INIT_DEFAULT_ROUTE | |
96 | ) | |
97 | ||
98 | this.defaultRoute = RedirectService.INIT_DEFAULT_ROUTE | |
99 | return this.router.navigateByUrl(this.defaultRoute, { skipLocationChange }) | |
100 | }) | |
101 | ||
102 | } | |
103 | ||
104 | private doRedirect (redirectUrl: string, fallbackRoute?: string) { | |
105 | logger('Redirecting on %s', redirectUrl) | |
106 | ||
107 | if (this.isValidRedirection(redirectUrl)) { | |
108 | return this.router.navigateByUrl(redirectUrl) | |
109 | } | |
110 | ||
111 | logger('%s is not a valid redirection, try fallback route %s', redirectUrl, fallbackRoute) | |
112 | if (fallbackRoute) { | |
113 | return this.router.navigateByUrl(fallbackRoute) | |
114 | } | |
115 | ||
116 | logger('There was no fallback route, redirecting to homepage') | |
117 | return this.redirectToHomepage() | |
118 | } | |
119 | ||
120 | private isValidRedirection (redirectUrl: string) { | |
121 | const exceptions = [ | |
122 | '/verify-account', | |
123 | '/reset-password', | |
124 | '/login' | |
125 | ] | |
126 | ||
127 | if (!redirectUrl || redirectUrl === '/') return false | |
128 | ||
129 | return exceptions.every(e => !redirectUrl.startsWith(e)) | |
130 | } | |
131 | } |