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author | Tekky <98614666+xtekky@users.noreply.github.com> | 2023-11-18 12:24:39 +0100 |
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committer | GitHub <noreply@github.com> | 2023-11-18 12:24:39 +0100 |
commit | 2fcb3f949bbde7f5380acc68dc6b1f938dec12bc (patch) | |
tree | 035bd400b4057a744b29a0ebee96579bfbf429f6 /g4f/Provider/npm/node_modules/undici/lib/websocket/util.js | |
parent | ~ | g4f `v-0.1.8.5` (diff) | |
parent | Add AiChatOnline, ChatgptDemoAi, ChatgptNext Providers (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | g4f/Provider/npm/node_modules/undici/lib/websocket/util.js | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/g4f/Provider/npm/node_modules/undici/lib/websocket/util.js b/g4f/Provider/npm/node_modules/undici/lib/websocket/util.js deleted file mode 100644 index 6c59b2c2..00000000 --- a/g4f/Provider/npm/node_modules/undici/lib/websocket/util.js +++ /dev/null @@ -1,200 +0,0 @@ -'use strict' - -const { kReadyState, kController, kResponse, kBinaryType, kWebSocketURL } = require('./symbols') -const { states, opcodes } = require('./constants') -const { MessageEvent, ErrorEvent } = require('./events') - -/* globals Blob */ - -/** - * @param {import('./websocket').WebSocket} ws - */ -function isEstablished (ws) { - // If the server's response is validated as provided for above, it is - // said that _The WebSocket Connection is Established_ and that the - // WebSocket Connection is in the OPEN state. - return ws[kReadyState] === states.OPEN -} - -/** - * @param {import('./websocket').WebSocket} ws - */ -function isClosing (ws) { - // Upon either sending or receiving a Close control frame, it is said - // that _The WebSocket Closing Handshake is Started_ and that the - // WebSocket connection is in the CLOSING state. - return ws[kReadyState] === states.CLOSING -} - -/** - * @param {import('./websocket').WebSocket} ws - */ -function isClosed (ws) { - return ws[kReadyState] === states.CLOSED -} - -/** - * @see https://dom.spec.whatwg.org/#concept-event-fire - * @param {string} e - * @param {EventTarget} target - * @param {EventInit | undefined} eventInitDict - */ -function fireEvent (e, target, eventConstructor = Event, eventInitDict) { - // 1. If eventConstructor is not given, then let eventConstructor be Event. - - // 2. Let event be the result of creating an event given eventConstructor, - // in the relevant realm of target. - // 3. Initialize event’s type attribute to e. - const event = new eventConstructor(e, eventInitDict) // eslint-disable-line new-cap - - // 4. Initialize any other IDL attributes of event as described in the - // invocation of this algorithm. - - // 5. Return the result of dispatching event at target, with legacy target - // override flag set if set. - target.dispatchEvent(event) -} - -/** - * @see https://websockets.spec.whatwg.org/#feedback-from-the-protocol - * @param {import('./websocket').WebSocket} ws - * @param {number} type Opcode - * @param {Buffer} data application data - */ -function websocketMessageReceived (ws, type, data) { - // 1. If ready state is not OPEN (1), then return. - if (ws[kReadyState] !== states.OPEN) { - return - } - - // 2. Let dataForEvent be determined by switching on type and binary type: - let dataForEvent - - if (type === opcodes.TEXT) { - // -> type indicates that the data is Text - // a new DOMString containing data - try { - dataForEvent = new TextDecoder('utf-8', { fatal: true }).decode(data) - } catch { - failWebsocketConnection(ws, 'Received invalid UTF-8 in text frame.') - return - } - } else if (type === opcodes.BINARY) { - if (ws[kBinaryType] === 'blob') { - // -> type indicates that the data is Binary and binary type is "blob" - // a new Blob object, created in the relevant Realm of the WebSocket - // object, that represents data as its raw data - dataForEvent = new Blob([data]) - } else { - // -> type indicates that the data is Binary and binary type is "arraybuffer" - // a new ArrayBuffer object, created in the relevant Realm of the - // WebSocket object, whose contents are data - dataForEvent = new Uint8Array(data).buffer - } - } - - // 3. Fire an event named message at the WebSocket object, using MessageEvent, - // with the origin attribute initialized to the serialization of the WebSocket - // object’s url's origin, and the data attribute initialized to dataForEvent. - fireEvent('message', ws, MessageEvent, { - origin: ws[kWebSocketURL].origin, - data: dataForEvent - }) -} - -/** - * @see https://datatracker.ietf.org/doc/html/rfc6455 - * @see https://datatracker.ietf.org/doc/html/rfc2616 - * @see https://bugs.chromium.org/p/chromium/issues/detail?id=398407 - * @param {string} protocol - */ -function isValidSubprotocol (protocol) { - // If present, this value indicates one - // or more comma-separated subprotocol the client wishes to speak, - // ordered by preference. The elements that comprise this value - // MUST be non-empty strings with characters in the range U+0021 to - // U+007E not including separator characters as defined in - // [RFC2616] and MUST all be unique strings. - if (protocol.length === 0) { - return false - } - - for (const char of protocol) { - const code = char.charCodeAt(0) - - if ( - code < 0x21 || - code > 0x7E || - char === '(' || - char === ')' || - char === '<' || - char === '>' || - char === '@' || - char === ',' || - char === ';' || - char === ':' || - char === '\\' || - char === '"' || - char === '/' || - char === '[' || - char === ']' || - char === '?' || - char === '=' || - char === '{' || - char === '}' || - code === 32 || // SP - code === 9 // HT - ) { - return false - } - } - - return true -} - -/** - * @see https://datatracker.ietf.org/doc/html/rfc6455#section-7-4 - * @param {number} code - */ -function isValidStatusCode (code) { - if (code >= 1000 && code < 1015) { - return ( - code !== 1004 && // reserved - code !== 1005 && // "MUST NOT be set as a status code" - code !== 1006 // "MUST NOT be set as a status code" - ) - } - - return code >= 3000 && code <= 4999 -} - -/** - * @param {import('./websocket').WebSocket} ws - * @param {string|undefined} reason - */ -function failWebsocketConnection (ws, reason) { - const { [kController]: controller, [kResponse]: response } = ws - - controller.abort() - - if (response?.socket && !response.socket.destroyed) { - response.socket.destroy() - } - - if (reason) { - fireEvent('error', ws, ErrorEvent, { - error: new Error(reason) - }) - } -} - -module.exports = { - isEstablished, - isClosing, - isClosed, - fireEvent, - isValidSubprotocol, - isValidStatusCode, - failWebsocketConnection, - websocketMessageReceived -} |