1 | import { urlBase64Decode } from '../../helpers';
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2 | export class NbAuthToken {
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3 | constructor() {
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4 | this.payload = null;
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5 | }
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6 | getName() {
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7 | return this.constructor.NAME;
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8 | }
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9 | getPayload() {
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10 | return this.payload;
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11 | }
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12 | }
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13 | export class NbAuthTokenNotFoundError extends Error {
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14 | constructor(message) {
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15 | super(message);
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16 | Object.setPrototypeOf(this, new.target.prototype);
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17 | }
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18 | }
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19 | export class NbAuthIllegalTokenError extends Error {
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20 | constructor(message) {
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21 | super(message);
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22 | Object.setPrototypeOf(this, new.target.prototype);
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23 | }
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24 | }
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25 | export class NbAuthEmptyTokenError extends NbAuthIllegalTokenError {
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26 | constructor(message) {
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27 | super(message);
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28 | Object.setPrototypeOf(this, new.target.prototype);
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29 | }
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30 | }
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31 | export class NbAuthIllegalJWTTokenError extends NbAuthIllegalTokenError {
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32 | constructor(message) {
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33 | super(message);
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34 | Object.setPrototypeOf(this, new.target.prototype);
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35 | }
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36 | }
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37 | export function nbAuthCreateToken(tokenClass, token, ownerStrategyName, createdAt) {
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38 | return new tokenClass(token, ownerStrategyName, createdAt);
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39 | }
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40 | export function decodeJwtPayload(payload) {
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41 | if (payload.length === 0) {
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42 | throw new NbAuthEmptyTokenError('Cannot extract from an empty payload.');
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43 | }
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44 | const parts = payload.split('.');
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45 | if (parts.length !== 3) {
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46 | throw new NbAuthIllegalJWTTokenError(`The payload ${payload} is not valid JWT payload and must consist of three parts.`);
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47 | }
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48 | let decoded;
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49 | try {
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50 | decoded = urlBase64Decode(parts[1]);
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51 | }
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52 | catch (e) {
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53 | throw new NbAuthIllegalJWTTokenError(`The payload ${payload} is not valid JWT payload and cannot be parsed.`);
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54 | }
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55 | if (!decoded) {
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56 | throw new NbAuthIllegalJWTTokenError(`The payload ${payload} is not valid JWT payload and cannot be decoded.`);
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57 | }
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58 | return JSON.parse(decoded);
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59 | }
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60 | /**
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61 | * Wrapper for simple (text) token
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62 | */
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63 | export class NbAuthSimpleToken extends NbAuthToken {
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64 | constructor(token, ownerStrategyName, createdAt) {
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65 | super();
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66 | this.token = token;
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67 | this.ownerStrategyName = ownerStrategyName;
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68 | this.createdAt = createdAt;
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69 | try {
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70 | this.parsePayload();
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71 | }
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72 | catch (err) {
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73 | if (!(err instanceof NbAuthTokenNotFoundError)) {
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74 | // token is present but has got a problem, including illegal
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75 | throw err;
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76 | }
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77 | }
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78 | this.createdAt = this.prepareCreatedAt(createdAt);
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79 | }
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80 | parsePayload() {
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81 | this.payload = null;
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82 | }
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83 | prepareCreatedAt(date) {
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84 | return date ? date : new Date();
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85 | }
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86 | /**
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87 | * Returns the token's creation date
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88 | * @returns {Date}
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89 | */
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90 | getCreatedAt() {
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91 | return this.createdAt;
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92 | }
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93 | /**
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94 | * Returns the token value
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95 | * @returns string
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96 | */
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97 | getValue() {
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98 | return this.token;
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99 | }
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100 | getOwnerStrategyName() {
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101 | return this.ownerStrategyName;
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102 | }
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103 | /**
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104 | * Is non empty and valid
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105 | * @returns {boolean}
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106 | */
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107 | isValid() {
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108 | return !!this.getValue();
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109 | }
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110 | /**
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111 | * Validate value and convert to string, if value is not valid return empty string
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112 | * @returns {string}
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113 | */
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114 | toString() {
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115 | return !!this.token ? this.token : '';
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116 | }
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117 | }
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118 | NbAuthSimpleToken.NAME = 'nb:auth:simple:token';
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119 | /**
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120 | * Wrapper for JWT token with additional methods.
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121 | */
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122 | export class NbAuthJWTToken extends NbAuthSimpleToken {
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123 | /**
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124 | * for JWT token, the iat (issued at) field of the token payload contains the creation Date
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125 | */
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126 | prepareCreatedAt(date) {
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127 | const decoded = this.getPayload();
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128 | return decoded && decoded.iat ? new Date(Number(decoded.iat) * 1000) : super.prepareCreatedAt(date);
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129 | }
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130 | /**
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131 | * Returns payload object
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132 | * @returns any
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133 | */
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134 | parsePayload() {
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135 | if (!this.token) {
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136 | throw new NbAuthTokenNotFoundError('Token not found. ');
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137 | }
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138 | this.payload = decodeJwtPayload(this.token);
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139 | }
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140 | /**
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141 | * Returns expiration date
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142 | * @returns Date
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143 | */
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144 | getTokenExpDate() {
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145 | const decoded = this.getPayload();
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146 | if (decoded && !decoded.hasOwnProperty('exp')) {
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147 | return null;
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148 | }
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149 | const date = new Date(0);
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150 | date.setUTCSeconds(decoded.exp); // 'cause jwt token are set in seconds
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151 | return date;
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152 | }
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153 | /**
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154 | * Is data expired
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155 | * @returns {boolean}
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156 | */
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157 | isValid() {
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158 | return super.isValid() && (!this.getTokenExpDate() || new Date() < this.getTokenExpDate());
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159 | }
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160 | }
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161 | NbAuthJWTToken.NAME = 'nb:auth:jwt:token';
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162 | const prepareOAuth2Token = (data) => {
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163 | if (typeof data === 'string') {
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164 | try {
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165 | return JSON.parse(data);
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166 | }
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167 | catch (e) { }
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168 | }
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169 | return data;
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170 | };
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171 | /**
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172 | * Wrapper for OAuth2 token whose access_token is a JWT Token
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173 | */
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174 | export class NbAuthOAuth2Token extends NbAuthSimpleToken {
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175 | constructor(data = {}, ownerStrategyName, createdAt) {
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176 | // we may get it as string when retrieving from a storage
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177 | super(prepareOAuth2Token(data), ownerStrategyName, createdAt);
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178 | }
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179 | /**
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180 | * Returns the token value
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181 | * @returns string
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182 | */
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183 | getValue() {
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184 | return this.token.access_token;
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185 | }
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186 | /**
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187 | * Returns the refresh token
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188 | * @returns string
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189 | */
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190 | getRefreshToken() {
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191 | return this.token.refresh_token;
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192 | }
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193 | /**
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194 | * put refreshToken in the token payload
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195 | * @param refreshToken
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196 | */
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197 | setRefreshToken(refreshToken) {
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198 | this.token.refresh_token = refreshToken;
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199 | }
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200 | /**
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201 | * Parses token payload
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202 | * @returns any
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203 | */
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204 | parsePayload() {
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205 | if (!this.token) {
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206 | throw new NbAuthTokenNotFoundError('Token not found.');
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207 | }
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208 | else {
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209 | if (!Object.keys(this.token).length) {
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210 | throw new NbAuthEmptyTokenError('Cannot extract payload from an empty token.');
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211 | }
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212 | }
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213 | this.payload = this.token;
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214 | }
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215 | /**
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216 | * Returns the token type
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217 | * @returns string
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218 | */
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219 | getType() {
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220 | return this.token.token_type;
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221 | }
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222 | /**
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223 | * Is data expired
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224 | * @returns {boolean}
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225 | */
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226 | isValid() {
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227 | return super.isValid() && (!this.getTokenExpDate() || new Date() < this.getTokenExpDate());
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228 | }
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229 | /**
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230 | * Returns expiration date
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231 | * @returns Date
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232 | */
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233 | getTokenExpDate() {
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234 | if (!this.token.hasOwnProperty('expires_in')) {
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235 | return null;
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236 | }
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237 | return new Date(this.createdAt.getTime() + Number(this.token.expires_in) * 1000);
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238 | }
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239 | /**
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240 | * Convert to string
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241 | * @returns {string}
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242 | */
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243 | toString() {
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244 | return JSON.stringify(this.token);
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245 | }
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246 | }
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247 | NbAuthOAuth2Token.NAME = 'nb:auth:oauth2:token';
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248 | /**
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249 | * Wrapper for OAuth2 token embedding JWT tokens
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250 | */
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251 | export class NbAuthOAuth2JWTToken extends NbAuthOAuth2Token {
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252 | parsePayload() {
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253 | super.parsePayload();
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254 | this.parseAccessTokenPayload();
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255 | }
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256 | parseAccessTokenPayload() {
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257 | const accessToken = this.getValue();
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258 | if (!accessToken) {
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259 | throw new NbAuthTokenNotFoundError('access_token key not found.');
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260 | }
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261 | this.accessTokenPayload = decodeJwtPayload(accessToken);
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262 | }
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263 | /**
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264 | * Returns access token payload
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265 | * @returns any
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266 | */
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267 | getAccessTokenPayload() {
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268 | return this.accessTokenPayload;
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269 | }
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270 | /**
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271 | * for Oauth2 JWT token, the iat (issued at) field of the access_token payload
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272 | */
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273 | prepareCreatedAt(date) {
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274 | const payload = this.accessTokenPayload;
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275 | return payload && payload.iat ? new Date(Number(payload.iat) * 1000) : super.prepareCreatedAt(date);
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276 | }
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277 | /**
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278 | * Is token valid
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279 | * @returns {boolean}
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280 | */
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281 | isValid() {
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282 | return this.accessTokenPayload && super.isValid();
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283 | }
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284 | /**
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285 | * Returns expiration date :
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286 | * - exp if set,
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287 | * - super.getExpDate() otherwise
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288 | * @returns Date
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289 | */
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290 | getTokenExpDate() {
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291 | if (this.accessTokenPayload && this.accessTokenPayload.hasOwnProperty('exp')) {
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292 | const date = new Date(0);
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293 | date.setUTCSeconds(this.accessTokenPayload.exp);
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294 | return date;
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295 | }
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296 | else {
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297 | return super.getTokenExpDate();
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298 | }
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299 | }
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300 | }
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301 | NbAuthOAuth2JWTToken.NAME = 'nb:auth:oauth2:jwt:token';
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{ urlBase64Decode } from '../../helpers';\n\nexport abstract class NbAuthToken {\n\n  protected payload: any = null;\n\n  abstract getValue(): string;\n  abstract isValid(): boolean;\n  // the strategy name used to acquire this token (needed for refreshing token)\n  abstract getOwnerStrategyName(): string;\n  abstract getCreatedAt(): Date;\n  abstract toString(): string;\n\n  getName(): string {\n    return (this.constructor as NbAuthTokenClass).NAME;\n  }\n\n  getPayload(): any {\n    return this.payload;\n  }\n}\n\nexport class NbAuthTokenNotFoundError extends Error {\n  constructor(message: string) {\n    super(message);\n    Object.setPrototypeOf(this, new.target.prototype);\n  }\n}\n\nexport class NbAuthIllegalTokenError extends Error {\n  constructor(message: string) {\n    super(message);\n    Object.setPrototypeOf(this, new.target.prototype);\n  }\n}\n\nexport class NbAuthEmptyTokenError extends NbAuthIllegalTokenError {\n  constructor(message: string) {\n    super(message);\n    Object.setPrototypeOf(this, new.target.prototype);\n  }\n}\n\nexport class NbAuthIllegalJWTTokenError extends NbAuthIllegalTokenError {\n  constructor(message: string) {\n    super(message);\n    Object.setPrototypeOf(this, new.target.prototype);\n  }\n}\n\nexport interface NbAuthRefreshableToken {\n  getRefreshToken(): string;\n  setRefreshToken(refreshToken: string);\n}\n\nexport interface NbAuthTokenClass<T = NbAuthToken> {\n  NAME: string;\n  new (raw: any, strategyName: string, expDate?: Date): T;\n}\n\nexport function nbAuthCreateToken<T extends NbAuthToken>(tokenClass: NbAuthTokenClass<T>,\n                                  token: any,\n                                  ownerStrategyName: string,\n                                  createdAt?: Date) {\n  return new tokenClass(token, ownerStrategyName, createdAt);\n}\n\nexport function decodeJwtPayload(payload: string): any {\n\n  if (payload.length === 0) {\n    throw new NbAuthEmptyTokenError('Cannot extract from an empty payload.');\n  }\n\n  const parts = payload.split('.');\n\n  if (parts.length !== 3) {\n    throw new NbAuthIllegalJWTTokenError(\n      `The payload ${payload} is not valid JWT payload and must consist of three parts.`);\n  }\n\n  let decoded;\n  try {\n    decoded = urlBase64Decode(parts[1]);\n  } catch (e) {\n    throw new NbAuthIllegalJWTTokenError(\n      `The payload ${payload} is not valid JWT payload and cannot be parsed.`);\n  }\n\n  if (!decoded) {\n    throw new NbAuthIllegalJWTTokenError(\n      `The payload ${payload} is not valid JWT payload and cannot be decoded.`);\n  }\n  return JSON.parse(decoded);\n}\n\n/**\n * Wrapper for simple (text) token\n */\nexport class NbAuthSimpleToken extends NbAuthToken {\n\n  static NAME = 'nb:auth:simple:token';\n\n  constructor(protected readonly token: any,\n              protected readonly ownerStrategyName: string,\n              protected createdAt?: Date) {\n    super();\n    try {\n      this.parsePayload();\n    } catch (err) {\n      if (!(err instanceof NbAuthTokenNotFoundError)) {\n        // token is present but has got a problem, including illegal\n        throw err;\n      }\n    }\n    this.createdAt = this.prepareCreatedAt(createdAt);\n  }\n\n  protected parsePayload(): any {\n    this.payload = null;\n  }\n\n  protected prepareCreatedAt(date: Date) {\n    return date ? date : new Date();\n  }\n\n  /**\n   * Returns the token's creation date\n   * @returns {Date}\n   */\n  getCreatedAt(): Date {\n    return this.createdAt;\n  }\n\n  /**\n   * Returns the token value\n   * @returns string\n   */\n  getValue(): string {\n    return this.token;\n  }\n\n  getOwnerStrategyName(): string {\n    return this.ownerStrategyName;\n  }\n\n  /**\n   * Is non empty and valid\n   * @returns {boolean}\n   */\n  isValid(): boolean {\n    return !!this.getValue();\n  }\n\n  /**\n   * Validate value and convert to string, if value is not valid return empty string\n   * @returns {string}\n   */\n  toString(): string {\n    return !!this.token ? this.token : '';\n  }\n}\n\n/**\n * Wrapper for JWT token with additional methods.\n */\nexport class NbAuthJWTToken extends NbAuthSimpleToken {\n\n  static NAME = 'nb:auth:jwt:token';\n\n  /**\n   * for JWT token, the iat (issued at) field of the token payload contains the creation Date\n   */\n  protected prepareCreatedAt(date: Date) {\n      const decoded = this.getPayload();\n      return decoded && decoded.iat ? new Date(Number(decoded.iat) * 1000) : super.prepareCreatedAt(date);\n  }\n\n  /**\n   * Returns payload object\n   * @returns any\n   */\n  protected parsePayload(): void {\n    if (!this.token) {\n      throw new NbAuthTokenNotFoundError('Token not found. ')\n    }\n    this.payload = decodeJwtPayload(this.token);\n  }\n\n  /**\n   * Returns expiration date\n   * @returns Date\n   */\n  getTokenExpDate(): Date {\n    const decoded = this.getPayload();\n    if (decoded && !decoded.hasOwnProperty('exp')) {\n      return null;\n    }\n    const date = new Date(0);\n    date.setUTCSeconds(decoded.exp); // 'cause jwt token are set in seconds\n    return date;\n  }\n\n  /**\n   * Is data expired\n   * @returns {boolean}\n   */\n  isValid(): boolean {\n    return super.isValid() && (!this.getTokenExpDate() || new Date() < this.getTokenExpDate());\n  }\n}\n\nconst prepareOAuth2Token = (data) => {\n  if (typeof data === 'string') {\n    try {\n      return JSON.parse(data);\n    } catch (e) {}\n  }\n  return data;\n};\n\n/**\n * Wrapper for OAuth2 token whose access_token is a JWT Token\n */\nexport class NbAuthOAuth2Token extends NbAuthSimpleToken {\n\n  static NAME = 'nb:auth:oauth2:token';\n\n  constructor( data: { [key: string]: string|number }|string = {},\n               ownerStrategyName: string,\n               createdAt?: Date) {\n\n    // we may get it as string when retrieving from a storage\n    super(prepareOAuth2Token(data), ownerStrategyName, createdAt);\n  }\n\n  /**\n   * Returns the token value\n   * @returns string\n   */\n  getValue(): string {\n    return this.token.access_token;\n  }\n\n  /**\n   * Returns the refresh token\n   * @returns string\n   */\n  getRefreshToken(): string {\n    return this.token.refresh_token;\n  }\n\n  /**\n   *  put refreshToken in the token payload\n    * @param refreshToken\n   */\n  setRefreshToken(refreshToken: string) {\n    this.token.refresh_token = refreshToken;\n  }\n\n  /**\n   * Parses token payload\n   * @returns any\n   */\n  protected parsePayload(): void {\n    if (!this.token) {\n      throw new NbAuthTokenNotFoundError('Token not found.')\n    } else {\n      if (!Object.keys(this.token).length) {\n        throw new NbAuthEmptyTokenError('Cannot extract payload from an empty token.');\n      }\n    }\n    this.payload = this.token;\n  }\n\n  /**\n   * Returns the token type\n   * @returns string\n   */\n  getType(): string {\n    return this.token.token_type;\n  }\n\n  /**\n   * Is data expired\n   * @returns {boolean}\n   */\n  isValid(): boolean {\n    return super.isValid() && (!this.getTokenExpDate() || new Date() < this.getTokenExpDate());\n  }\n\n  /**\n   * Returns expiration date\n   * @returns Date\n   */\n  getTokenExpDate(): Date {\n    if (!this.token.hasOwnProperty('expires_in')) {\n      return null;\n    }\n    return new Date(this.createdAt.getTime() + Number(this.token.expires_in) * 1000);\n}\n\n  /**\n   * Convert to string\n   * @returns {string}\n   */\n  toString(): string {\n    return JSON.stringify(this.token);\n  }\n}\n\n/**\n * Wrapper for OAuth2 token embedding JWT tokens\n */\nexport class NbAuthOAuth2JWTToken extends NbAuthOAuth2Token {\n\n  static NAME = 'nb:auth:oauth2:jwt:token';\n\n  protected accessTokenPayload: any;\n\n  protected parsePayload(): void {\n    super.parsePayload();\n    this.parseAccessTokenPayload();\n  }\n\n  protected parseAccessTokenPayload(): any {\n    const accessToken = this.getValue();\n    if (!accessToken) {\n      throw new NbAuthTokenNotFoundError('access_token key not found.')\n    }\n    this.accessTokenPayload = decodeJwtPayload(accessToken);\n  }\n\n  /**\n   * Returns access token payload\n   * @returns any\n   */\n  getAccessTokenPayload(): any {\n    return this.accessTokenPayload;\n  }\n\n  /**\n   * for Oauth2 JWT token, the iat (issued at) field of the access_token payload\n   */\n  protected prepareCreatedAt(date: Date) {\n    const payload = this.accessTokenPayload;\n    return payload && payload.iat ? new Date(Number(payload.iat) * 1000) : super.prepareCreatedAt(date);\n  }\n\n  /**\n   * Is token valid\n   * @returns {boolean}\n   */\n  isValid(): boolean {\n    return this.accessTokenPayload && super.isValid();\n  }\n\n  /**\n   * Returns expiration date :\n   * - exp if set,\n   * - super.getExpDate() otherwise\n   * @returns Date\n   */\n  getTokenExpDate(): Date {\n    if (this.accessTokenPayload && this.accessTokenPayload.hasOwnProperty('exp')) {\n      const date = new Date(0);\n      date.setUTCSeconds(this.accessTokenPayload.exp);\n      return date;\n    } else {\n      return super.getTokenExpDate();\n    }\n  }\n}\n"]} |
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