only hookFetch
目前为
此脚本不应直接安装，它是一个供其他脚本使用的外部库。如果您需要使用该库，请在脚本元属性加入：// @require https://update.gf.qytechs.cn/scripts/465483/1186094/hookFetch.js
(() => {
var contextWindow = window.unsafeWindow || document.defaultView || window;
if (contextWindow['__hookRequest__'] != null) {
return;
}
var globalVariable = new Map();
var FetchMapList = new Map();
var XhrMapList = new Map();
function deliveryTask(callbackList, _object, period) {
let newObject = _object;
for (let i = 0; i < callbackList.length; i++) {
let tempObject = null;
try {
tempObject = callbackList[i](newObject, period);
} catch (e) {
new Error(e);
}
if (tempObject == null) {
continue;
}
newObject = tempObject;
}
return newObject;
}
function hookFetch() {
const originalFetch = contextWindow.fetch;
globalVariable.set('Fetch', originalFetch);
contextWindow.fetch = (...args) => {
let U = args[0];
if (U.indexOf('http') == -1) {
if (U[0] !== '/') {
let pathname = new URL(location.href).pathname;
U = pathname + U;
}
U = location.origin + U;
}
let apply = null;
(() => {
let url = new URL(U),
pathname = url.pathname,
callback = FetchMapList.get(pathname);
if (callback == null) return;
if (callback.length === 0) return;
let newObject = deliveryTask(callback, { args }, 'preRequest');
if (newObject && newObject.args) {
args = newObject.args;
}
apply = originalFetch.apply(this, args);
apply.then((response) => {
let originalGetReader = response.body.getReader;
response.body.getReader = function () {
let originalReader = originalGetReader.apply(this, arguments);
let originalRead = originalReader.read;
originalReader.read = function () {
return originalRead.apply(this, arguments).then(function (result) {
let tempObject = deliveryTask(callback, { result, args }, 'doing');
if (tempObject && tempObject.result) {
result = tempObject.result;
}
return result;
});
};
return originalReader;
};
let text = response.text,
json = response.json;
response.text = () => {
return text.apply(response).then((text) => {
let _object = deliveryTask(callback, { text, args }, 'done');
if (_object && _object.text) {
text = _object.text;
}
return text;
});
};
response.json = () => {
return json.apply(response).then((json) => {
let text = JSON.stringify(json);
let _object = deliveryTask(callback, { text, args }, 'done');
if (_object && _object.text) {
text = _object.text;
return JSON.parse(text);
}
return json;
});
};
});
})();
if (apply == null) {
apply = originalFetch.apply(this, args);
}
return apply;
};
}
function hookXhr() {
const XHRProxy = new Proxy(contextWindow.XMLHttpRequest, {
construct(target, args) {
let xhr = new target(...args);
let originalOpen = xhr.open;
let originalSend = xhr.send;
let url = '';
xhr.open = function () {
url = arguments[1];
return originalOpen.apply(xhr, arguments);
};
xhr.send = function () {
let o = function (args) {
return originalSend.apply(xhr, args);
};
let args = arguments;
let U = xhr.responseURL == '' ? url : xhr.responseURL;
if (U.indexOf('http') == -1) {
if (U[0] !== '/') {
let pathname = new URL(location.href).pathname;
U = pathname + U;
}
U = location.origin + U;
}
let pathname = new URL(U).pathname;
let callback = XhrMapList.get(pathname);
if (callback == null) return o(args);
if (callback.length === 0) return o(args);
let newObject = deliveryTask(callback, { args }, 'preRequest');
if (newObject && newObject.args) {
args = newObject.args;
}
const onReadyStateChangeOriginal = xhr.onreadystatechange;
xhr.onreadystatechange = function () {
if (xhr.readyState === 4 && xhr.status === 200) {
let text = xhr.responseText;
let newObject = deliveryTask(callback, { text, args }, 'done');
if (newObject && newObject.text) {
xhr.responseText = newObject.text;
let newXhr = new Proxy(xhr, {
get(target, key) {
if (key === 'responseText') {
debugger;
return newObject.text;
}
return target[key];
}
});
return onReadyStateChangeOriginal.apply(newXhr, args);
}
}
onReadyStateChangeOriginal && onReadyStateChangeOriginal.apply(xhr, args);
};
return o(args);
};
return xhr;
}
});
globalVariable.set('XMLHttpRequest', contextWindow.XMLHttpRequest);
contextWindow.XMLHttpRequest = XHRProxy;
}
(async () => {
hookFetch();
})();
(async () => {
hookXhr();
})();
contextWindow['__hookRequest__'] = {
FetchCallback: {
add: (pathname, callback) => {
let list = FetchMapList.get(pathname) || (FetchMapList.set(pathname, []), FetchMapList.get(pathname));
list.push(callback);
let index = list.length;
return index;
},
del: (pathname, index) => {
try {
let list = FetchMapList.get(pathname);
if (list == null) return false;
list.splice(index - 1, 1);
} catch (e) {
new Error(e);
return false;
}
return true;
}
},
XhrCallback: {
add: (pathname, callback) => {
let list = XhrMapList.get(pathname) || (XhrMapList.set(pathname, []), XhrMapList.get(pathname));
list.push(callback);
let index = list.length;
return index;
},
del: (pathname, index) => {
try {
let list = XhrMapList.get(pathname);
if (list == null) return false;
list.splice(index - 1, 1);
} catch (e) {
new Error(e);
return false;
}
return true;
}
},
globalVariable: {
get: (key) => {
return globalVariable.get(key);
},
getAll: () => {
return globalVariable.entries();
},
set: (key, value) => {
globalVariable.set(key, value);
},
getOrDrfault: (key, defaultValue) => {
return globalVariable.get(key) || defaultValue;
}
}
};
})();
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