Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/flask_jwt_extended/config.py: 72%

1from datetime import datetime 

2from datetime import timedelta 

3from datetime import timezone 

4from json import JSONEncoder 

5from typing import Iterable 

6from typing import List 

7from typing import Optional 

8from typing import Sequence 

9from typing import Type 

10from typing import Union 

11 

12from flask import current_app 

13from jwt.algorithms import requires_cryptography 

14 

15from flask_jwt_extended.internal_utils import get_json_encoder 

16from flask_jwt_extended.typing import ExpiresDelta 

17 

18 

19class _Config(object): 

20 """ 

21 Helper object for accessing and verifying options in this extension. This 

22 is meant for internal use of the application; modifying config options 

23 should be done with flasks ```app.config```. 

24 

25 Default values for the configuration options are set in the jwt_manager 

26 object. All of these values are read only. This is simply a loose wrapper 

27 with some helper functionality for flasks `app.config`. 

28 """ 

29 

30 @property 

31 def is_asymmetric(self) -> bool: 

32 return self.algorithm in requires_cryptography 

33 

34 @property 

35 def encode_key(self) -> str: 

36 return self._private_key if self.is_asymmetric else self._secret_key 

37 

38 @property 

39 def decode_key(self) -> str: 

40 return self._public_key if self.is_asymmetric else self._secret_key 

41 

42 @property 

43 def token_location(self) -> Sequence[str]: 

44 locations = current_app.config["JWT_TOKEN_LOCATION"] 

45 if isinstance(locations, str): 

46 locations = (locations,) 

47 elif not isinstance(locations, Iterable): 

48 raise RuntimeError("JWT_TOKEN_LOCATION must be a sequence or a set") 

49 elif not locations: 

50 raise RuntimeError( 

51 "JWT_TOKEN_LOCATION must contain at least one " 

52 'of "headers", "cookies", "query_string", or "json"' 

53 ) 

54 for location in locations: 

55 if location not in ("headers", "cookies", "query_string", "json"): 

56 raise RuntimeError( 

57 "JWT_TOKEN_LOCATION can only contain " 

58 '"headers", "cookies", "query_string", or "json"' 

59 ) 

60 return locations 

61 

62 @property 

63 def jwt_in_cookies(self) -> bool: 

64 return "cookies" in self.token_location 

65 

66 @property 

67 def jwt_in_headers(self) -> bool: 

68 return "headers" in self.token_location 

69 

70 @property 

71 def jwt_in_query_string(self) -> bool: 

72 return "query_string" in self.token_location 

73 

74 @property 

75 def jwt_in_json(self) -> bool: 

76 return "json" in self.token_location 

77 

78 @property 

79 def header_name(self) -> str: 

80 name = current_app.config["JWT_HEADER_NAME"] 

81 if not name: 

82 raise RuntimeError("JWT_ACCESS_HEADER_NAME cannot be empty") 

83 return name 

84 

85 @property 

86 def header_type(self) -> str: 

87 return current_app.config["JWT_HEADER_TYPE"] 

88 

89 @property 

90 def query_string_name(self) -> str: 

91 return current_app.config["JWT_QUERY_STRING_NAME"] 

92 

93 @property 

94 def query_string_value_prefix(self) -> str: 

95 return current_app.config["JWT_QUERY_STRING_VALUE_PREFIX"] 

96 

97 @property 

98 def access_cookie_name(self) -> str: 

99 return current_app.config["JWT_ACCESS_COOKIE_NAME"] 

100 

101 @property 

102 def refresh_cookie_name(self) -> str: 

103 return current_app.config["JWT_REFRESH_COOKIE_NAME"] 

104 

105 @property 

106 def access_cookie_path(self) -> str: 

107 return current_app.config["JWT_ACCESS_COOKIE_PATH"] 

108 

109 @property 

110 def refresh_cookie_path(self) -> str: 

111 return current_app.config["JWT_REFRESH_COOKIE_PATH"] 

112 

113 @property 

114 def cookie_secure(self) -> bool: 

115 return current_app.config["JWT_COOKIE_SECURE"] 

116 

117 @property 

118 def cookie_domain(self) -> str: 

119 return current_app.config["JWT_COOKIE_DOMAIN"] 

120 

121 @property 

122 def session_cookie(self) -> bool: 

123 return current_app.config["JWT_SESSION_COOKIE"] 

124 

125 @property 

126 def cookie_samesite(self) -> str: 

127 return current_app.config["JWT_COOKIE_SAMESITE"] 

128 

129 @property 

130 def json_key(self) -> str: 

131 return current_app.config["JWT_JSON_KEY"] 

132 

133 @property 

134 def refresh_json_key(self) -> str: 

135 return current_app.config["JWT_REFRESH_JSON_KEY"] 

136 

137 @property 

138 def csrf_protect(self) -> bool: 

139 return self.jwt_in_cookies and current_app.config["JWT_COOKIE_CSRF_PROTECT"] 

140 

141 @property 

142 def csrf_request_methods(self) -> Iterable[str]: 

143 return current_app.config["JWT_CSRF_METHODS"] 

144 

145 @property 

146 def csrf_in_cookies(self) -> bool: 

147 return current_app.config["JWT_CSRF_IN_COOKIES"] 

148 

149 @property 

150 def access_csrf_cookie_name(self) -> str: 

151 return current_app.config["JWT_ACCESS_CSRF_COOKIE_NAME"] 

152 

153 @property 

154 def refresh_csrf_cookie_name(self) -> str: 

155 return current_app.config["JWT_REFRESH_CSRF_COOKIE_NAME"] 

156 

157 @property 

158 def access_csrf_cookie_path(self) -> str: 

159 return current_app.config["JWT_ACCESS_CSRF_COOKIE_PATH"] 

160 

161 @property 

162 def refresh_csrf_cookie_path(self) -> str: 

163 return current_app.config["JWT_REFRESH_CSRF_COOKIE_PATH"] 

164 

165 @property 

166 def access_csrf_header_name(self) -> str: 

167 return current_app.config["JWT_ACCESS_CSRF_HEADER_NAME"] 

168 

169 @property 

170 def refresh_csrf_header_name(self) -> str: 

171 return current_app.config["JWT_REFRESH_CSRF_HEADER_NAME"] 

172 

173 @property 

174 def csrf_check_form(self) -> bool: 

175 return current_app.config["JWT_CSRF_CHECK_FORM"] 

176 

177 @property 

178 def access_csrf_field_name(self) -> str: 

179 return current_app.config["JWT_ACCESS_CSRF_FIELD_NAME"] 

180 

181 @property 

182 def refresh_csrf_field_name(self) -> str: 

183 return current_app.config["JWT_REFRESH_CSRF_FIELD_NAME"] 

184 

185 @property 

186 def access_expires(self) -> ExpiresDelta: 

187 delta = current_app.config["JWT_ACCESS_TOKEN_EXPIRES"] 

188 if type(delta) is int: 

189 delta = timedelta(seconds=delta) 

190 if delta is not False: 

191 try: 

192 # Basically runtime typechecking. Probably a better way to do 

193 # this with proper type checking 

194 delta + datetime.now(timezone.utc) 

195 except TypeError as e: 

196 err = ( 

197 "must be able to add JWT_ACCESS_TOKEN_EXPIRES to datetime.datetime" 

198 ) 

199 raise RuntimeError(err) from e 

200 return delta 

201 

202 @property 

203 def refresh_expires(self) -> ExpiresDelta: 

204 delta = current_app.config["JWT_REFRESH_TOKEN_EXPIRES"] 

205 if type(delta) is int: 

206 delta = timedelta(seconds=delta) 

207 if delta is not False: 

208 # Basically runtime typechecking. Probably a better way to do 

209 # this with proper type checking 

210 try: 

211 delta + datetime.now(timezone.utc) 

212 except TypeError as e: 

213 err = ( 

214 "must be able to add JWT_REFRESH_TOKEN_EXPIRES to datetime.datetime" 

215 ) 

216 raise RuntimeError(err) from e 

217 return delta 

218 

219 @property 

220 def algorithm(self) -> str: 

221 return current_app.config["JWT_ALGORITHM"] 

222 

223 @property 

224 def decode_algorithms(self) -> List[str]: 

225 algorithms = current_app.config["JWT_DECODE_ALGORITHMS"] 

226 if not algorithms: 

227 return [self.algorithm] 

228 if self.algorithm not in algorithms: 

229 algorithms.append(self.algorithm) 

230 return algorithms 

231 

232 @property 

233 def _secret_key(self) -> str: 

234 key = current_app.config["JWT_SECRET_KEY"] 

235 if not key: 

236 key = current_app.config.get("SECRET_KEY", None) 

237 if not key: 

238 raise RuntimeError( 

239 "JWT_SECRET_KEY or flask SECRET_KEY " 

240 "must be set when using symmetric " 

241 'algorithm "{}"'.format(self.algorithm) 

242 ) 

243 return key 

244 

245 @property 

246 def _public_key(self) -> str: 

247 key = current_app.config["JWT_PUBLIC_KEY"] 

248 if not key: 

249 raise RuntimeError( 

250 "JWT_PUBLIC_KEY must be set to use " 

251 "asymmetric cryptography algorithm " 

252 '"{}"'.format(self.algorithm) 

253 ) 

254 return key 

255 

256 @property 

257 def _private_key(self) -> str: 

258 key = current_app.config["JWT_PRIVATE_KEY"] 

259 if not key: 

260 raise RuntimeError( 

261 "JWT_PRIVATE_KEY must be set to use " 

262 "asymmetric cryptography algorithm " 

263 '"{}"'.format(self.algorithm) 

264 ) 

265 return key 

266 

267 @property 

268 def cookie_max_age(self) -> Optional[int]: 

269 # Returns the appropiate value for max_age for flask set_cookies. If 

270 # session cookie is true, return None, otherwise return a number of 

271 # seconds 1 year in the future 

272 return None if self.session_cookie else 31540000 # 1 year 

273 

274 @property 

275 def identity_claim_key(self) -> str: 

276 return current_app.config["JWT_IDENTITY_CLAIM"] 

277 

278 @property 

279 def exempt_methods(self) -> Iterable[str]: 

280 return {"OPTIONS"} 

281 

282 @property 

283 def error_msg_key(self) -> str: 

284 return current_app.config["JWT_ERROR_MESSAGE_KEY"] 

285 

286 @property 

287 def json_encoder(self) -> Type[JSONEncoder]: 

288 return get_json_encoder(current_app) 

289 

290 @property 

291 def decode_audience(self) -> Union[str, Iterable[str]]: 

292 return current_app.config["JWT_DECODE_AUDIENCE"] 

293 

294 @property 

295 def encode_audience(self) -> Union[str, Iterable[str]]: 

296 return current_app.config["JWT_ENCODE_AUDIENCE"] 

297 

298 @property 

299 def encode_issuer(self) -> str: 

300 return current_app.config["JWT_ENCODE_ISSUER"] 

301 

302 @property 

303 def decode_issuer(self) -> str: 

304 return current_app.config["JWT_DECODE_ISSUER"] 

305 

306 @property 

307 def leeway(self) -> int: 

308 return current_app.config["JWT_DECODE_LEEWAY"] 

309 

310 @property 

311 def encode_nbf(self) -> bool: 

312 return current_app.config["JWT_ENCODE_NBF"] 

313 

314 

315config = _Config()