1 | <?php |
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15 | class ImpersonateManager |
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16 | { |
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17 | const REMEMBER_PREFIX = 'remember_web'; |
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18 | |||
19 | /** @var Application $app */ |
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20 | private $app; |
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21 | |||
22 | public function __construct(Application $app) |
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26 | |||
27 | /** |
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28 | * @param int $id |
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29 | * @return \Illuminate\Contracts\Auth\Authenticatable |
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30 | * @throws MissingUserProvider |
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31 | * @throws InvalidUserProvider |
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32 | * @throws ModelNotFoundException |
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33 | */ |
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34 | public function findUserById($id, $guardName = null) |
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35 | { |
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36 | if (empty($guardName)) { |
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37 | $guardName = $this->app['config']->get('auth.default.guard', 'web'); |
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38 | } |
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39 | |||
40 | $providerName = $this->app['config']->get("auth.guards.$guardName.provider"); |
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41 | |||
42 | if (empty($providerName)) { |
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43 | throw new MissingUserProvider($guardName); |
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44 | } |
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45 | |||
46 | try { |
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47 | /** @var UserProvider $userProvider */ |
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48 | $userProvider = $this->app['auth']->createUserProvider($providerName); |
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49 | } catch (\InvalidArgumentException $e) { |
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50 | throw new InvalidUserProvider($guardName); |
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51 | } |
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52 | |||
53 | if (!($modelInstance = $userProvider->retrieveById($id))) { |
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54 | $model = $this->app['config']->get("auth.providers.$providerName.model"); |
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55 | |||
56 | throw (new ModelNotFoundException())->setModel( |
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57 | $model, |
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58 | $id |
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59 | ); |
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60 | } |
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61 | |||
62 | return $modelInstance; |
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63 | } |
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64 | |||
65 | public function isImpersonating(): bool |
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66 | { |
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67 | return session()->has($this->getSessionKey()); |
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68 | } |
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69 | |||
70 | /** |
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71 | * @return int|null |
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72 | */ |
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73 | public function getImpersonatorId() |
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74 | { |
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75 | return session($this->getSessionKey(), null); |
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76 | } |
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77 | |||
78 | /** |
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79 | * @return \Illuminate\Contracts\Auth\Authenticatable |
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80 | */ |
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81 | public function getImpersonator() |
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82 | { |
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83 | $id = session($this->getSessionKey(), null); |
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84 | |||
85 | return is_null($id) ? null : $this->findUserById($id, $this->getImpersonatorGuardName()); |
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86 | } |
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87 | |||
88 | /** |
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89 | * @return string|null |
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90 | */ |
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91 | public function getImpersonatorGuardName() |
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92 | { |
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93 | return session($this->getSessionGuard(), null); |
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94 | } |
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95 | |||
96 | /** |
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97 | * @return string|null |
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98 | */ |
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99 | public function getImpersonatorGuardUsingName() |
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100 | { |
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101 | return session($this->getSessionGuardUsing(), null); |
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102 | } |
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103 | |||
104 | /** |
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105 | * @param \Illuminate\Contracts\Auth\Authenticatable $from |
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106 | * @param \Illuminate\Contracts\Auth\Authenticatable $to |
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107 | * @param string|null $guardName |
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108 | * @return bool |
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109 | */ |
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110 | public function take($from, $to, $guardName = null) |
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111 | { |
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112 | $this->saveAuthCookieInSession(); |
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113 | |||
114 | try { |
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115 | $currentGuard = $this->getCurrentAuthGuardName(); |
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116 | session()->put($this->getSessionKey(), $from->getAuthIdentifier()); |
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117 | session()->put($this->getSessionGuard(), $currentGuard); |
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118 | session()->put($this->getSessionGuardUsing(), $guardName); |
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119 | |||
120 | $this->app['auth']->guard($currentGuard)->quietLogout(); |
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121 | $this->app['auth']->guard($guardName)->quietLogin($to); |
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122 | |||
123 | } catch (\Exception $e) { |
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124 | unset($e); |
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125 | return false; |
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126 | } |
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127 | |||
128 | $this->app['events']->dispatch(new TakeImpersonation($from, $to)); |
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129 | |||
130 | return true; |
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131 | } |
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132 | |||
133 | public function leave(): bool |
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134 | { |
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135 | try { |
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136 | $impersonated = $this->app['auth']->guard($this->getImpersonatorGuardUsingName())->user(); |
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137 | $impersonator = $this->findUserById($this->getImpersonatorId(), $this->getImpersonatorGuardName()); |
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138 | |||
139 | $this->app['auth']->guard($this->getCurrentAuthGuardName())->quietLogout(); |
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140 | $this->app['auth']->guard($this->getImpersonatorGuardName())->quietLogin($impersonator); |
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141 | |||
142 | $this->extractAuthCookieFromSession(); |
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143 | |||
144 | $this->clear(); |
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145 | |||
146 | } catch (\Exception $e) { |
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147 | unset($e); |
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148 | return false; |
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149 | } |
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150 | |||
151 | $this->app['events']->dispatch(new LeaveImpersonation($impersonator, $impersonated)); |
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152 | |||
153 | return true; |
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154 | } |
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155 | |||
156 | public function clear() |
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157 | { |
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158 | session()->forget($this->getSessionKey()); |
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159 | session()->forget($this->getSessionGuard()); |
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160 | session()->forget($this->getSessionGuardUsing()); |
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161 | } |
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162 | |||
163 | public function getSessionKey(): string |
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164 | { |
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165 | return config('laravel-impersonate.session_key'); |
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166 | } |
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167 | |||
168 | public function getSessionGuard(): string |
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169 | { |
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170 | return config('laravel-impersonate.session_guard'); |
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171 | } |
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172 | |||
173 | public function getSessionGuardUsing(): string |
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174 | { |
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175 | return config('laravel-impersonate.session_guard_using'); |
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176 | } |
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177 | |||
178 | public function getDefaultSessionGuard(): string |
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179 | { |
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180 | return config('laravel-impersonate.default_impersonator_guard'); |
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181 | } |
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182 | |||
183 | public function getTakeRedirectTo(): string |
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184 | { |
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185 | try { |
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186 | $uri = route(config('laravel-impersonate.take_redirect_to')); |
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187 | } catch (\InvalidArgumentException $e) { |
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188 | $uri = config('laravel-impersonate.take_redirect_to'); |
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189 | } |
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190 | |||
191 | return $uri; |
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192 | } |
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193 | |||
194 | public function getLeaveRedirectTo(): string |
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204 | |||
205 | /** |
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206 | * @return array|null |
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207 | */ |
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208 | public function getCurrentAuthGuardName() |
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209 | { |
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210 | $guards = array_keys(config('auth.guards')); |
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211 | |||
212 | foreach ($guards as $guard) { |
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213 | if ($this->app['auth']->guard($guard)->check()) { |
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214 | return $guard; |
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215 | } |
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216 | } |
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217 | |||
218 | return null; |
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220 | |||
221 | protected function saveAuthCookieInSession(): void |
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236 | |||
237 | protected function extractAuthCookieFromSession(): void |
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246 | |||
247 | /** |
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248 | * @param array $values |
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249 | * @param string $search |
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250 | * @return \Illuminate\Support\Collection |
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251 | */ |
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252 | protected function findByKeyInArray(array $values, string $search) |
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259 | } |
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260 |