Complete Email Sortierer implementation with Appwrite and Stripe integration

server/node_modules/stripe/esm/platform/NodePlatformFunctions.js

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+import * as crypto from 'crypto';
+import { EventEmitter } from 'events';
+import { NodeCryptoProvider } from '../crypto/NodeCryptoProvider.js';
+import { NodeHttpClient } from '../net/NodeHttpClient.js';
+import { PlatformFunctions } from './PlatformFunctions.js';
+import { StripeError } from '../Error.js';
+import { concat } from '../utils.js';
+import { exec } from 'child_process';
+class StreamProcessingError extends StripeError {
+}
+/**
+ * Specializes WebPlatformFunctions using APIs available in Node.js.
+ */
+export class NodePlatformFunctions extends PlatformFunctions {
+    constructor() {
+        super();
+        this._exec = exec;
+        this._UNAME_CACHE = null;
+    }
+    /** @override */
+    uuid4() {
+        // available in: v14.17.x+
+        if (crypto.randomUUID) {
+            return crypto.randomUUID();
+        }
+        return super.uuid4();
+    }
+    /**
+     * @override
+     * Node's built in `exec` function sometimes throws outright,
+     * and sometimes has a callback with an error,
+     * depending on the type of error.
+     *
+     * This unifies that interface by resolving with a null uname
+     * if an error is encountered.
+     */
+    getUname() {
+        if (!this._UNAME_CACHE) {
+            this._UNAME_CACHE = new Promise((resolve, reject) => {
+                try {
+                    this._exec('uname -a', (err, uname) => {
+                        if (err) {
+                            return resolve(null);
+                        }
+                        resolve(uname);
+                    });
+                }
+                catch (e) {
+                    resolve(null);
+                }
+            });
+        }
+        return this._UNAME_CACHE;
+    }
+    /**
+     * @override
+     * Secure compare, from https://github.com/freewil/scmp
+     */
+    secureCompare(a, b) {
+        if (!a || !b) {
+            throw new Error('secureCompare must receive two arguments');
+        }
+        // return early here if buffer lengths are not equal since timingSafeEqual
+        // will throw if buffer lengths are not equal
+        if (a.length !== b.length) {
+            return false;
+        }
+        // use crypto.timingSafeEqual if available (since Node.js v6.6.0),
+        // otherwise use our own scmp-internal function.
+        if (crypto.timingSafeEqual) {
+            const textEncoder = new TextEncoder();
+            const aEncoded = textEncoder.encode(a);
+            const bEncoded = textEncoder.encode(b);
+            return crypto.timingSafeEqual(aEncoded, bEncoded);
+        }
+        return super.secureCompare(a, b);
+    }
+    createEmitter() {
+        return new EventEmitter();
+    }
+    /** @override */
+    tryBufferData(data) {
+        if (!(data.file.data instanceof EventEmitter)) {
+            return Promise.resolve(data);
+        }
+        const bufferArray = [];
+        return new Promise((resolve, reject) => {
+            data.file.data
+                .on('data', (line) => {
+                bufferArray.push(line);
+            })
+                .once('end', () => {
+                // @ts-ignore
+                const bufferData = Object.assign({}, data);
+                bufferData.file.data = concat(bufferArray);
+                resolve(bufferData);
+            })
+                .on('error', (err) => {
+                reject(new StreamProcessingError({
+                    message: 'An error occurred while attempting to process the file for upload.',
+                    detail: err,
+                }));
+            });
+        });
+    }
+    /** @override */
+    createNodeHttpClient(agent) {
+        return new NodeHttpClient(agent);
+    }
+    /** @override */
+    createDefaultHttpClient() {
+        return new NodeHttpClient();
+    }
+    /** @override */
+    createNodeCryptoProvider() {
+        return new NodeCryptoProvider();
+    }
+    /** @override */
+    createDefaultCryptoProvider() {
+        return this.createNodeCryptoProvider();
+    }
+}