{"version":3,"file":"index.js","mappings":"CAAA,SAA2CA,EAAMC,GAC1B,iBAAZC,SAA0C,iBAAXC,OACxCA,OAAOD,QAAUD,IACQ,mBAAXG,QAAyBA,OAAOC,IAC9CD,OAAO,GAAIH,GACe,iBAAZC,QACdA,QAAsB,aAAID,IAE1BD,EAAmB,aAAIC,GACxB,CATD,CASGK,MAAM,I,uBCNLC,EAAsB,CAAC,E,qkBC8B3B,6E,OAEE,EAAAC,QAAU,oE,CACZ,QAHwC,OAGxC,EAHA,CAAwCC,OAA3B,EAAAC,mBAAAA,EAOb,iBAeE,WAAYC,EAAsBC,GAAlC,WAEE,GAwCF,KAAAC,OAAS,SAACC,GACRC,QAAQC,IAAI,gCAAyBF,EAAEG,OAAM,uBAAeH,EAAEI,KAAKC,QAC/D,IAAIC,IAAIN,EAAEG,QAAQI,MAAQ,EAAKC,WAAWD,KAM9C,EAAKT,YAAYE,EAAEI,KAAKC,OALtBJ,QAAQQ,MACN,gCAAyB,EAAKD,WAAWD,KAAI,sCAA8BP,EAAEG,OAAM,eAKzF,EAlDEX,KAAKM,YAAcA,EACfD,EAAOW,YAAcX,EAAOa,QAC9B,MAAM,IAAId,EAGZ,GAAIC,EAAOW,WACThB,KAAKgB,WAAaX,EAAOW,eACpB,KAAIX,EAAOa,QAWhB,MAAM,IAAId,EAVNC,EAAOa,QAAQC,aACjBnB,KAAKgB,WAAaX,EAAOa,QAAQC,YACjCnB,KAAKgB,WAAWI,SAAW,WAC3BpB,KAAKgB,WAAWK,OAAS,mBAAYhB,EAAOa,QAAQI,MAEpDtB,KAAKgB,WAAa,IAAIF,IACpB,oDAA6CT,EAAOa,QAAQI,K,CAMpE,CA+BF,OA1BE,YAAAC,OAAA,WACEC,OAAOC,iBAAiB,UAAWzB,KAAKO,OAC1C,EAKA,YAAAmB,QAAA,WACEF,OAAOG,oBAAoB,UAAW3B,KAAKO,OAC7C,EAiBF,EAnEA,G,cDpCoB,KAAK,EAAGN,G","sources":["webpack://mcaptchaGlue/webpack/universalModuleDefinition","webpack://mcaptchaGlue/webpack/startup","webpack://mcaptchaGlue/./src/index.ts"],"sourcesContent":["(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"mcaptchaGlue\"] = factory();\n\telse\n\t\troot[\"mcaptchaGlue\"] = factory();\n})(this, () => {\nreturn ","// startup\n// Load entry module and return exports\n// This entry module is referenced by other modules so it can't be inlined\nvar __webpack_exports__ = {};\n__webpack_modules__[607](0, __webpack_exports__);\n","/*\n * mCaptcha is a PoW based DoS protection software.\n * This is the frontend web component of the mCaptcha system\n * Copyright © 2021 Aravinth Manivnanan <realaravinth@batsense.net>.\n *\n * Use of this source code is governed by Apache 2.0 or MIT license.\n * You shoud have received a copy of MIT and Apache 2.0 along with\n * this program. If not, see <https://spdx.org/licenses/MIT.html> for\n * MIT or <http://www.apache.org/licenses/LICENSE-2.0> for Apache.\n */\n\n/**\n * Site key configuration\n */\nexport type SiteKey = {\n  /** site key as given in the mCaptcha admin dashboard */\n  key: string;\n  /** URL of the mCaptcha instance. Used in building widget link */\n  instanceUrl?: URL;\n};\n\n/**\n * Widget configuration\n */\nexport type WidgetConfig = {\n  /** site key configuration. Mutually exclusive with widgetLink */\n  siteKey?: SiteKey;\n\n  /** widget link. Mutually exclusive with siteKey */\n  widgetLink?: URL;\n};\n\n/** configuration error thrown by MCaptchaWidget */\nexport class ConfigurationError extends Error {\n  /** error message */\n  message = \"Provide either widget link or site key to display mCaptcha widget\";\n}\n\n/** Listens for messages from mCaptcha widget and provides hooks to update\n * state and configure mCaptcha widget*/\nexport default class Receiver {\n  private updateState: (token: string) => void;\n  widgetLink: URL;\n\n  /**\n   * @param {WidgetConfig} config: used to configure widget link and\n   * selectively filter messages\n   * @param {(token: string) => void} updateState:\n   * callback function used to update input field with the latest received\n   * token.\n   *\n   * @throws {ConfigurationError}: This error is thrown when neither widget\n   * link nor site key is provided to this compoenent or when both are provided\n   * at the same time.\n   */\n  constructor(config: WidgetConfig, updateState: (token: string) => void) {\n    this.updateState = updateState;\n    if (config.widgetLink && config.siteKey) {\n      throw new ConfigurationError();\n    }\n\n    if (config.widgetLink) {\n      this.widgetLink = config.widgetLink;\n    } else if (config.siteKey) {\n      if (config.siteKey.instanceUrl) {\n        this.widgetLink = config.siteKey.instanceUrl;\n        this.widgetLink.pathname = \"/widget/\";\n        this.widgetLink.search = `?sitekey=${config.siteKey.key}`;\n      } else {\n        this.widgetLink = new URL(\n          `https://demo.mcaptcha.org/widget/?sitekey=${config.siteKey.key}`\n        );\n      }\n    } else {\n      throw new ConfigurationError();\n    }\n  }\n\n  /**\n   * Listen for messages from the mCaptcha iframe widget\n   */\n  listen() {\n    window.addEventListener(\"message\", this.handle);\n  }\n\n  /**\n   * Delete listener\n   */\n  destroy() {\n    window.removeEventListener(\"message\", this.handle);\n  }\n\n  /**\n   * Handle messages sent from mCaptcha widget iframe\n   * @param {MessageEvent} e: message containing token from mCaptcha iframe.\n   * Message origin should match the hostname of the widget link\n   */\n  handle = (e: MessageEvent) => {\n    console.log(`message received from ${e.origin} with data: ${e.data.token}`);\n    if (new URL(e.origin).host != this.widgetLink.host) {\n      console.error(\n        `expected message from ${this.widgetLink.host} but received message from ${e.origin}. Aborting.`\n      );\n      return;\n    }\n    this.updateState(e.data.token);\n  };\n}\n"],"names":["root","factory","exports","module","define","amd","this","__webpack_exports__","message","Error","ConfigurationError","config","updateState","handle","e","console","log","origin","data","token","URL","host","widgetLink","error","siteKey","instanceUrl","pathname","search","key","listen","window","addEventListener","destroy","removeEventListener"],"sourceRoot":""}