// todo encoding problem
public async Task <SaveEntryResult> GetEntryData(string url, bool doTryConvertToUnicode = false, CancellationToken cancellationToken = new CancellationToken())
{
await browserClient.SetContextChrome();
await browserClient.AddSendEventFuncIfNo();
browserClient.AddEventListener("EvalAndWaitForEventCacheStorage", OnEvalAndWaitForEvent);
var scr = @"
_getCacheEntryData = function(aUrl) {
return new Promise((resolve, reject) => {
var uri = Services.io.newURI(aUrl, null, null);
Services.cache2.diskCacheStorage(Services.loadContextInfo.default, false).asyncOpenURI(uri, '', Ci.nsICacheStorage.OPEN_READONLY, {
onCacheEntryCheck: function (aEntry, aAppCache) {
return Ci.nsICacheEntryOpenCallback.ENTRY_WANTED;
},
onCacheEntryAvailable: function (aEntry, aNew, aAppCache, aResult) {
var encode = null;
if (aEntry.getMetaDataElement('response-head').match(/Content-Encoding: (.+)$/m)) {
encode = RegExp.$1;
}
var BinaryInputStream = Components.Constructor('@mozilla.org/binaryinputstream;1', 'nsIBinaryInputStream', 'setInputStream');
var converterService = Cc['@mozilla.org/streamConverters;1'].getService(Ci.nsIStreamConverterService);
var readData = function (aEntry2, aEncode) {
return new Promise((resolve, reject) => {
let data = [];
let listener = {
onStartRequest: function (aRequest, aContext) { },
onDataAvailable: function (aRequest, aContext, aInputStream, aOffset, aCount) {
data.push(new BinaryInputStream(aInputStream).readBytes(aCount));
},
onStopRequest: function (aRequest, aContext, aStatusCode) {
resolve(data.join(''));
}
};
let inputStream = aEntry2.openInputStream(0);
let pump = Cc['@mozilla.org/network/input-stream-pump;1'].createInstance(Ci.nsIInputStreamPump);
pump.init(inputStream, 0, -1, 0, 0, true);
if (aEncode) {
listener = converterService.asyncConvertData(RegExp.$1, 'uncompressed', listener, null);
}
pump.asyncRead(listener, null);
});
}
readData(aEntry, encode).then(data => {
resolve(data);
});
}
});
});
}
";
await browserClient.JavaScriptExecutor.ExecuteScript(scr);
var evalStrAddId = "";
if (doTryConvertToUnicode)
{
evalStrAddId = @"
_getCacheEntryData('" + url + @"')
.then(res => {
let res2 = res;
try {
var converter = Cc['@mozilla.org/intl/scriptableunicodeconverter']
.createInstance(Ci.nsIScriptableUnicodeConverter);
converter.charset = 'UTF-8';
res2 = converter.ConvertToUnicode(res2);
} catch (e) { }
top.zuSendEvent({ 'to': 'EvalAndWaitForEventCacheStorage', 'id': _AddIdForEventHere_, 'res': res2 });
})
.catch(err => top.zuSendEvent({ 'to': 'EvalAndWaitForEventCacheStorage', 'id': _AddIdForEventHere_, 'error': err.toString() }));
";
}
else
{
evalStrAddId = @"
_getCacheEntryData('" + url + @"')
.then(res => {
top.zuSendEvent({ 'to': 'EvalAndWaitForEventCacheStorage', 'id': _AddIdForEventHere_, 'res': res });
})
.catch(err => top.zuSendEvent({ 'to': 'EvalAndWaitForEventCacheStorage', 'id': _AddIdForEventHere_, 'error': err.toString() }));
";
}
var resJson = await EvalAndWaitForEvent(browserClient, evalStrAddId, cancellationToken);
browserClient.RemoveEventListener(OnEvalAndWaitForEvent);
var res = new SaveEntryResult
{
Result = resJson?["res"]?["value"]?.ToString(),
Error = (resJson?["error"] as JValue)?.ToString() ?? resJson?["error"]?["value"]?.ToString(),
};
return(res);
}
public async Task <SaveEntryResult> SaveEntryDataToFile(string url, string filePath, CancellationToken cancellationToken = new CancellationToken())
{
await browserClient.SetContextChrome();
await browserClient.AddSendEventFuncIfNo();
browserClient.AddEventListener("EvalAndWaitForEventCacheStorage", OnEvalAndWaitForEvent);
var scr = @"
_saveCacheEntry = function(aUrl, aFilePath) {
return new Promise((resolve, reject) => {
var uri = Services.io.newURI(aUrl, null, null);
Services.cache2.diskCacheStorage(Services.loadContextInfo.default, false).asyncOpenURI(uri, '', Ci.nsICacheStorage.OPEN_READONLY, {
onCacheEntryCheck: function (aEntry, aAppCache) {
return Ci.nsICacheEntryOpenCallback.ENTRY_WANTED;
},
onCacheEntryAvailable: function (aEntry, aNew, aAppCache, aResult) {
try {
var encode = null;
if (aEntry.getMetaDataElement('response-head').match(/Content-Encoding: (.+)$/m)) {
encode = RegExp.$1;
}
var BinaryInputStream = Components.Constructor('@mozilla.org/binaryinputstream;1', 'nsIBinaryInputStream', 'setInputStream');
var converterService = Cc['@mozilla.org/streamConverters;1'].getService(Ci.nsIStreamConverterService);
var readData = function (aEntry2, aEncode) {
return new Promise((resolve, reject) => {
let data = [];
let listener = {
onStartRequest: function (aRequest, aContext) { },
onDataAvailable: function (aRequest, aContext, aInputStream, aOffset, aCount) {
data.push(new BinaryInputStream(aInputStream).readBytes(aCount));
},
onStopRequest: function (aRequest, aContext, aStatusCode) {
resolve(data.join(''));
}
};
let inputStream = aEntry2.openInputStream(0);
let pump = Cc['@mozilla.org/network/input-stream-pump;1'].createInstance(Ci.nsIInputStreamPump);
pump.init(inputStream, 0, -1, 0, 0, true);
if (aEncode) {
listener = converterService.asyncConvertData(RegExp.$1, 'uncompressed', listener, null);
}
pump.asyncRead(listener, null);
});
}
readData(aEntry, encode).then(data => {
var fileStream = FileUtils.openFileOutputStream(new FileUtils.File(aFilePath),
FileUtils.MODE_WRONLY | FileUtils.MODE_CREATE | FileUtils.MODE_TRUNCATE);
fileStream.write(data, data.length);
if (fileStream instanceof Ci.nsISafeOutputStream) {
fileStream.finish();
} else {
fileStream.close();
}
resolve('saved');
});
} catch (ex) { reject(ex.toString()); }
}
});
});
}
";
await browserClient.JavaScriptExecutor.ExecuteScript(scr /*, "saveCacheEntry.js"*/);
var evalStrAddId = @"
_saveCacheEntry('" + url + @"', '" + filePath.Replace("\\", "\\\\") + @"')
.then(res => {
top.zuSendEvent({ 'to': 'EvalAndWaitForEventCacheStorage', 'id': _AddIdForEventHere_, 'res': res });
})
.catch(err => top.zuSendEvent({ 'to': 'EvalAndWaitForEventCacheStorage', 'id': _AddIdForEventHere_, 'error': err.toString() }));
";
var resJson = await EvalAndWaitForEvent(browserClient, evalStrAddId, cancellationToken);
browserClient.RemoveEventListener(OnEvalAndWaitForEvent);
var res = new SaveEntryResult
{
Result = resJson?["res"]?["value"]?.ToString(),
Error = (resJson?["error"] as JValue)?.ToString() ?? resJson?["error"]?["value"]?.ToString(),
};
return(res);
}
