only hookFetch
Version vom
Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.greasyfork.org/scripts/465483/1186355/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;
};
}
// globalVariable.set('XMLHttpRequest', contextWindow.XMLHttpRequest);
function hookXhr() {
// 保存原生 XMLHttpRequest 对象的 open 方法和 send 方法
const originalOpen = contextWindow.XMLHttpRequest.prototype.open;
const originalSend = contextWindow.XMLHttpRequest.prototype.send;
// 修改 XMLHttpRequest 对象的 open 方法
contextWindow.XMLHttpRequest.prototype.open = function (method, url) {
this._url = url;
originalOpen.apply(this, arguments);
};
// 修改 XMLHttpRequest 对象的 send 方法
contextWindow.XMLHttpRequest.prototype.send = function () {
const self = this;
// 保存原生 XMLHttpRequest 对象的 onreadystatechange 方法
const originalReadyStateChange = this.onreadystatechange;
// 修改 XMLHttpRequest 对象的 onreadystatechange 方法
this.onreadystatechange = function () {
if (self.readyState === 4 && self.status === 200) {
// 修改 responseText
const modifiedResponseText = '1' + self.responseText;
self.responseType = 'text';
self.responseText = modifiedResponseText;
}
// 调用原生 XMLHttpRequest 对象的 onreadystatechange 方法
if (typeof originalReadyStateChange === 'function') {
originalReadyStateChange.apply(self, arguments);
}
};
// 调用原生 XMLHttpRequest 对象的 send 方法
originalSend.apply(this, arguments);
};
}
hookFetch();
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;
}
}
};
})();