kwikid-forms
Version:
KwikID's JSON Configuration based Forms Renderer and Builder
251 lines • 36.2 kB
JavaScript
import { __awaiter, __decorate } from "tslib";
/* eslint-disable no-unused-vars */
/* eslint-disable @typescript-eslint/no-unused-vars */
import axios from "axios";
import { decryptWithAES, encryptWithAES, isNotEmptyValue, logMethod } from "kwikid-toolkit";
import { Observable } from "rxjs";
import { v4 as uuidv4 } from "uuid";
import { resolveFormsStorageConfig, resolveFormsStorageString } from "../helpers/forms-storage.helper";
export class KwikIDFormViewApiService {
constructor() {
this.bytecode = [0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38];
this.reduxData = {};
this.userConfig = undefined;
}
setStorageContext(reduxData = {}, userConfig) {
this.reduxData = reduxData !== null && reduxData !== void 0 ? reduxData : {};
this.userConfig = userConfig;
}
/** Fresh config from host utilityFlags / formsStorage on every resolve. */
getStorageConfig() {
return resolveFormsStorageConfig(this.userConfig);
}
// Function to derive logic from data
dataDerivativeLogic(data) {
if (isNotEmptyValue(data)) {
const dataString = JSON.stringify(data);
const charCounts = {};
const targetCharacters = ["a", "i", "p", "t"];
// Count occurrences of target characters in the data string
for (const char of dataString) {
if (targetCharacters.includes(char)) {
charCounts[char] = (charCounts[char] || 0) + 1;
}
}
// Construct the output string based on the character counts
const outputString = targetCharacters
.map((char) => char + (charCounts[char] || 0))
.join("");
return outputString;
}
return undefined;
}
// Function to preprocess header data
preProcessHeader(headerData, isVerifySignature) {
if (!headerData) {
headerData = {};
}
if (!headerData.headers) {
headerData.headers = {};
}
// Generate a unique identifier if signature verification is required
if (isVerifySignature) {
headerData.headers.xrid = uuidv4();
}
const sessionId = resolveFormsStorageString("session_id", this.reduxData, this.getStorageConfig());
if (sessionId) {
headerData.headers.ses = sessionId;
}
return headerData;
}
// Function to verify the signature
verifySignature(data, header, url, isVerifySignature) {
return new Promise((resolve, reject) => {
// Check if the signature is disabled
if (!isVerifySignature) {
resolve(true);
}
else if (!data) {
// Check if data is invalid
resolve(true);
}
else if (isVerifySignature && header && !(header === null || header === void 0 ? void 0 : header.sig)) {
// Check if the signature is missing in headers when authentication is not skipped
reject(false);
}
else if (isVerifySignature && header && (header === null || header === void 0 ? void 0 : header.sig)) {
// Verify the signature when public key and header with signature are present and authentication is not skipped
// Extract the signature and decode it
let signature = header.sig.split(".")[0];
const rawSignature = atob(signature);
// Split the decoded signature to get the parts
signature = rawSignature.split(".")[0];
const exp = `${rawSignature.split(".")[1]}000`; // Expiration time in milliseconds
const iat = `${rawSignature.split(".")[2]}000`; // Issued at time in milliseconds
// Check if the signature is valid
if (signature) {
// Check if the current time is before the expiration time
const dateValue = new Date().valueOf();
const dateCheck = dateValue < parseInt(exp, 10);
// Check if the signature matches the data
const res = signature === data;
// Resolve the promise if the signature is valid and the date check passes
if (res && dateCheck) {
resolve(res);
}
else {
// Reject the promise if the signature is invalid or the date check fails
reject(res);
}
}
else {
// Reject the promise if the signature is not in the required format
reject(false);
}
}
else {
// Resolve the promise if the signature is missing in headers
resolve(true);
}
});
}
// Function to perform POST request
post(url, body, headerData, isEncrypt = false, isDecrypt = false, isVerifySignature = false, isSkipHeaderAlteration = false) {
let preProcessedHeader = headerData;
// Preprocess header data unless instructed to skip
if (!isSkipHeaderAlteration) {
preProcessedHeader = this.preProcessHeader(headerData, isVerifySignature);
}
else {
preProcessedHeader.observe = "response";
}
// Encrypt body if required
if (isEncrypt) {
body = encryptWithAES(JSON.stringify(body));
}
return new Observable((subscriber) => {
axios.post(url, body, headerData).then((res) => __awaiter(this, void 0, void 0, function* () {
let { data } = res;
// Decrypt response if required
if (data && isDecrypt) {
const encryptedResponse = data;
const decryptedResponse = yield decryptWithAES(encryptedResponse);
data = JSON.parse(decryptedResponse);
res.data = data;
}
// Verify signature and handle response
this.verifySignature(this.dataDerivativeLogic(data), res === null || res === void 0 ? void 0 : res.headers, url, isVerifySignature)
.then((verification) => {
subscriber.next(res);
subscriber.complete();
})
.catch((err) => {
subscriber.error(err === null || err === void 0 ? void 0 : err.response);
});
}), (err) => __awaiter(this, void 0, void 0, function* () {
var _a, _b;
let data = (_a = err === null || err === void 0 ? void 0 : err.response) === null || _a === void 0 ? void 0 : _a.data;
// Decrypt error response if required
if (data && isDecrypt) {
const encryptedResponse = data;
const decryptedResponse = yield decryptWithAES(encryptedResponse);
data = JSON.parse(decryptedResponse);
err.response.data = data;
}
// Verify signature and handle response
this.verifySignature(this.dataDerivativeLogic(data), (_b = err === null || err === void 0 ? void 0 : err.response) === null || _b === void 0 ? void 0 : _b.headers, url, isVerifySignature)
.then((verification) => {
subscriber.error(err === null || err === void 0 ? void 0 : err.response);
})
.catch((err) => {
subscriber.error(err === null || err === void 0 ? void 0 : err.response);
});
}));
});
}
// Function to perform GET request
get(url, headerData = undefined, isDecrypt = false, isVerifySignature = false, isSkipHeaderAlteration = false) {
let preProcessedHeader = headerData;
// Preprocess header data unless instructed to skip
if (!isSkipHeaderAlteration) {
preProcessedHeader = this.preProcessHeader(headerData, isVerifySignature);
}
else {
preProcessedHeader.observe = "response";
}
return new Observable((subscriber) => {
axios.get(url, preProcessedHeader).then((res) => __awaiter(this, void 0, void 0, function* () {
let { data } = res;
// Decrypt response if required
if (isDecrypt) {
const encryptedResponse = data;
const decryptedResponse = yield decryptWithAES(encryptedResponse);
data = JSON.parse(decryptedResponse);
res.data = data;
}
// Verify signature and handle response
this.verifySignature(this.dataDerivativeLogic(data), res === null || res === void 0 ? void 0 : res.headers, url, isVerifySignature)
.then((verification) => {
subscriber.next(res);
subscriber.complete();
})
.catch((err) => {
subscriber.error(err === null || err === void 0 ? void 0 : err.response);
});
}), (err) => __awaiter(this, void 0, void 0, function* () {
var _a, _b;
let data = (_a = err === null || err === void 0 ? void 0 : err.response) === null || _a === void 0 ? void 0 : _a.data;
// Decrypt error response if required
if (data && isDecrypt) {
const encryptedResponse = data;
const decryptedResponse = yield decryptWithAES(encryptedResponse);
data = JSON.parse(decryptedResponse);
err.response.data = data;
}
// Verify signature and handle response
this.verifySignature(this.dataDerivativeLogic(data), (_b = err === null || err === void 0 ? void 0 : err.response) === null || _b === void 0 ? void 0 : _b.headers, url, isVerifySignature)
.then((verification) => {
subscriber.error(err === null || err === void 0 ? void 0 : err.response);
})
.catch((err) => {
subscriber.error(err === null || err === void 0 ? void 0 : err.response);
});
}));
});
}
// Function to execute API call based on method type
executeApiCall(url, method, body, headers, isEncrypt, isDecrypt, isVerifySignature) {
return new Promise((resolve) => {
if (method === "GET") {
this.get(url, { headers }, isDecrypt, isVerifySignature).subscribe((res) => {
resolve(res);
}, (err) => {
resolve(err);
});
}
else {
this.post(url, body, { headers }, isEncrypt, isDecrypt, isVerifySignature).subscribe((res) => {
resolve(res);
}, (err) => {
resolve(err);
});
}
});
}
}
__decorate([
logMethod
], KwikIDFormViewApiService.prototype, "dataDerivativeLogic", null);
__decorate([
logMethod
], KwikIDFormViewApiService.prototype, "preProcessHeader", null);
__decorate([
logMethod
], KwikIDFormViewApiService.prototype, "verifySignature", null);
__decorate([
logMethod
], KwikIDFormViewApiService.prototype, "post", null);
__decorate([
logMethod
], KwikIDFormViewApiService.prototype, "get", null);
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eslint-disable no-unused-vars */\n/* eslint-disable @typescript-eslint/no-unused-vars */\nimport axios from \"axios\";\nimport {\n  decryptWithAES,\n  encryptWithAES,\n  isNotEmptyValue,\n  logMethod\n} from \"kwikid-toolkit\";\nimport { Observable } from \"rxjs\";\nimport { v4 as uuidv4 } from \"uuid\";\nimport {\n  FormsStorageConfig,\n  resolveFormsStorageConfig,\n  resolveFormsStorageString\n} from \"../helpers/forms-storage.helper\";\n\nexport class KwikIDFormViewApiService {\n  private bytecode = [0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38, 0x38];\n\n  private reduxData: Record<string, unknown> = {};\n\n  private userConfig: any = undefined;\n\n  setStorageContext(\n    reduxData: Record<string, unknown> = {},\n    userConfig?: any\n  ): void {\n    this.reduxData = reduxData ?? {};\n    this.userConfig = userConfig;\n  }\n\n  /** Fresh config from host utilityFlags / formsStorage on every resolve. */\n  private getStorageConfig(): FormsStorageConfig {\n    return resolveFormsStorageConfig(this.userConfig);\n  }\n\n  // Function to derive logic from data\n  @logMethod\n  dataDerivativeLogic(data) {\n    if (isNotEmptyValue(data)) {\n      const dataString = JSON.stringify(data);\n      const charCounts = {};\n      const targetCharacters = [\"a\", \"i\", \"p\", \"t\"];\n\n      // Count occurrences of target characters in the data string\n      for (const char of dataString) {\n        if (targetCharacters.includes(char)) {\n          charCounts[char] = (charCounts[char] || 0) + 1;\n        }\n      }\n\n      // Construct the output string based on the character counts\n      const outputString = targetCharacters\n        .map((char) => char + (charCounts[char] || 0))\n        .join(\"\");\n      return outputString;\n    }\n    return undefined;\n  }\n\n  // Function to preprocess header data\n  @logMethod\n  preProcessHeader(headerData: any, isVerifySignature: boolean): any {\n    if (!headerData) {\n      headerData = {};\n    }\n    if (!headerData.headers) {\n      headerData.headers = {};\n    }\n\n    // Generate a unique identifier if signature verification is required\n    if (isVerifySignature) {\n      headerData.headers.xrid = uuidv4();\n    }\n\n    const sessionId = resolveFormsStorageString(\n      \"session_id\",\n      this.reduxData,\n      this.getStorageConfig()\n    );\n    if (sessionId) {\n      headerData.headers.ses = sessionId;\n    }\n\n    return headerData;\n  }\n\n  // Function to verify the signature\n  @logMethod\n  verifySignature(data, header, url, isVerifySignature) {\n    return new Promise((resolve, reject) => {\n      // Check if the signature is disabled\n      if (!isVerifySignature) {\n        resolve(true);\n      } else if (!data) {\n        // Check if data is invalid\n        resolve(true);\n      } else if (isVerifySignature && header && !header?.sig) {\n        // Check if the signature is missing in headers when authentication is not skipped\n        reject(false);\n      } else if (isVerifySignature && header && header?.sig) {\n        // Verify the signature when public key and header with signature are present and authentication is not skipped\n\n        // Extract the signature and decode it\n        let signature = header.sig.split(\".\")[0];\n        const rawSignature = atob(signature);\n\n        // Split the decoded signature to get the parts\n        signature = rawSignature.split(\".\")[0];\n        const exp = `${rawSignature.split(\".\")[1]}000`; // Expiration time in milliseconds\n        const iat = `${rawSignature.split(\".\")[2]}000`; // Issued at time in milliseconds\n\n        // Check if the signature is valid\n        if (signature) {\n          // Check if the current time is before the expiration time\n          const dateValue = new Date().valueOf();\n          const dateCheck = dateValue < parseInt(exp, 10);\n\n          // Check if the signature matches the data\n          const res = signature === data;\n\n          // Resolve the promise if the signature is valid and the date check passes\n          if (res && dateCheck) {\n            resolve(res);\n          } else {\n            // Reject the promise if the signature is invalid or the date check fails\n            reject(res);\n          }\n        } else {\n          // Reject the promise if the signature is not in the required format\n\n          reject(false);\n        }\n      } else {\n        // Resolve the promise if the signature is missing in headers\n        resolve(true);\n      }\n    });\n  }\n\n  // Function to perform POST request\n  @logMethod\n  post(\n    url,\n    body,\n    headerData,\n    isEncrypt = false,\n    isDecrypt = false,\n    isVerifySignature = false,\n    isSkipHeaderAlteration = false\n  ) {\n    let preProcessedHeader = headerData;\n\n    // Preprocess header data unless instructed to skip\n    if (!isSkipHeaderAlteration) {\n      preProcessedHeader = this.preProcessHeader(headerData, isVerifySignature);\n    } else 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.catch((err) => {\n              subscriber.error(err?.response);\n            });\n        },\n        async (err) => {\n          let data = err?.response?.data;\n\n          // Decrypt error response if required\n          if (data && isDecrypt) {\n            const encryptedResponse = data;\n            const decryptedResponse = await decryptWithAES(encryptedResponse);\n            data = JSON.parse(decryptedResponse);\n            err.response.data = data;\n          }\n\n          // Verify signature and handle response\n          this.verifySignature(\n            this.dataDerivativeLogic(data),\n            err?.response?.headers,\n            url,\n            isVerifySignature\n          )\n            .then((verification) => {\n              subscriber.error(err?.response);\n            })\n            .catch((err) => {\n              subscriber.error(err?.response);\n            });\n        }\n      );\n    });\n  }\n\n  // Function to perform GET request\n  @logMethod\n  get(\n    url,\n    headerData = undefined,\n    isDecrypt = false,\n    isVerifySignature = false,\n    isSkipHeaderAlteration = false\n  ) {\n    let preProcessedHeader = headerData;\n\n    // Preprocess header data unless instructed to skip\n    if (!isSkipHeaderAlteration) {\n      preProcessedHeader = this.preProcessHeader(headerData, isVerifySignature);\n    } else {\n      preProcessedHeader.observe = \"response\";\n    }\n\n    return new Observable((subscriber) => {\n      axios.get(url, preProcessedHeader).then(\n        async (res: any) => {\n          let { data } = res;\n\n          // Decrypt response if required\n          if (isDecrypt) {\n            const encryptedResponse = data;\n            const decryptedResponse = await decryptWithAES(encryptedResponse);\n            data = JSON.parse(decryptedResponse);\n            res.data = data;\n          }\n\n          // Verify signature and handle response\n          this.verifySignature(\n            this.dataDerivativeLogic(data),\n            res?.headers,\n            url,\n            isVerifySignature\n          )\n            .then((verification: any) => {\n              subscriber.next(res);\n              subscriber.complete();\n            })\n            .catch((err) => {\n              subscriber.error(err?.response);\n            });\n        },\n        async (err) => {\n          let data = err?.response?.data;\n\n          // Decrypt error response if required\n          if (data && isDecrypt) {\n            const encryptedResponse = data;\n            const decryptedResponse = await decryptWithAES(encryptedResponse);\n            data = JSON.parse(decryptedResponse);\n            err.response.data = data;\n          }\n\n          // Verify signature and handle response\n          this.verifySignature(\n            this.dataDerivativeLogic(data),\n            err?.response?.headers,\n            url,\n            isVerifySignature\n          )\n            .then((verification) => {\n              subscriber.error(err?.response);\n            })\n            .catch((err) => {\n              subscriber.error(err?.response);\n            });\n        }\n      );\n    });\n  }\n\n  // Function to execute API call based on method type\n  executeApiCall(\n    url,\n    method,\n    body,\n    headers,\n    isEncrypt,\n    isDecrypt,\n    isVerifySignature\n  ) {\n    return new Promise((resolve) => {\n      if (method === \"GET\") {\n        this.get(url, { headers }, isDecrypt, isVerifySignature).subscribe(\n          (res: any) => {\n            resolve(res);\n          },\n          (err) => {\n            resolve(err);\n          }\n        );\n      } else {\n        this.post(\n          url,\n          body,\n          { headers },\n          isEncrypt,\n          isDecrypt,\n          isVerifySignature\n        ).subscribe(\n          (res: any) => {\n            resolve(res);\n          },\n          (err) => {\n            resolve(err);\n          }\n        );\n      }\n    });\n  }\n}\n"]}