RssReader::RssReader(QWidget *parent) :
QWidget(parent),
ui(new Ui::RssReader)
{
ui->setupUi(this);
QTreeWidgetItem *root1 = new QTreeWidgetItem(this->ui->treeWidget_Rsslist,QStringList(QString(QObject::tr("科技"))));
QTreeWidgetItem *root2 = new QTreeWidgetItem(this->ui->treeWidget_Rsslist,QStringList(QString(QObject::tr("社会"))));
QTreeWidgetItem *root3 = new QTreeWidgetItem(this->ui->treeWidget_Rsslist,QStringList(QString(QObject::tr("生活"))));
QTreeWidgetItem *leaf1 = new QTreeWidgetItem(root1,QStringList(QString("cnBeta")));
QTreeWidgetItem *leaf2 = new QTreeWidgetItem(root1,QStringList(QString("新浪焦点新闻")));
QTreeWidgetItem *leaf3 = new QTreeWidgetItem(root3,QStringList(QString("糗事百科")));
ui->webView_Rss->setHtml("<body style=\"background-color:rgb(222,222,222);font-family:微软雅黑\"></body>");
//ui->webView_Passage->setHtml("<body style=\"background-color:rgb(222,222,222);font-family:微软雅黑\"></body>");
pRssObject = new RssObject(this);
pGetRss = new QNetworkAccessManager(this);
pGetPassage = new QNetworkAccessManager(this);
connect(pGetRss,SIGNAL(finished(QNetworkReply*)),this,SLOT(RssFinished(QNetworkReply*)));
connect(pGetPassage,SIGNAL(finished(QNetworkReply*)),this,SLOT(PassageFinished(QNetworkReply*)));
connect(ui->webView_Rss->page()->mainFrame(),SIGNAL(javaScriptWindowObjectCleared()),this,SLOT(addJavaScriptObject()));
connect(pRssObject,SIGNAL(sendHTML(QString)),this,SLOT(readUrl(QString)));
connect(ui->treeWidget_Rsslist,SIGNAL(itemClicked(QTreeWidgetItem*,int)),this,SLOT(ChoseRss(QTreeWidgetItem*)));
ui->webView_Passage->hide();
}
void SC_Web_Server::sendPage(const char *path)
{
sendHTML(
"<html>\n"
"<head><title>File Upload</title></head>\n"
"<body>\n"
"<h2>Upload File</h2>\n"
"<form method=\"post\" enctype=\"multipart/form-data\" action=\"upload\">\n"
"Choose the file to upload:\n"
"<input type=\"file\" name=\"fileID\" /><br />\n"
"<input type=\"submit\" value=\"Send\" />\n"
"</form>\n"
"</body>\n"
"</html>\n");
/*
<form action="upload.php" method="post">
<input type="file" onchange="this.form.submit()" name="myFile"/>
</form>
- or -
document.getElementById('myfilefield').onchange = function() {
this.form.submit();
};
*/
}
char SC_Web_Server::on_receive()
{
Flio_TCP_Socket::on_receive();
if (!available())
return 1;
if (pState==WEB_IDLE) {
// start receiving a client request
pBufferPos = recv(pBuffer, 4096);
pBuffer[pBufferPos] = 0;
if (strncmp(pBuffer, "GET ", 4)==0) {
// client requests some document
pState = WEB_CMD_GET;
} else if (strncmp(pBuffer, "POST ", 5)==0) {
// client sends a file
pState = WEB_CMD_POST;
} else {
// FIXME: Zombie!
}
} else {
// append more data if available
int n = available(), max = 4096-pBufferPos;
if (n>max) n = max;
pBufferPos += recv(pBuffer+pBufferPos, n);
pBuffer[pBufferPos] = 0;
}
if (pState==WEB_CMD_GET || pState==WEB_CMD_POST) {
// find the magic empty line (header must be less than sizeof(pBuffer)
const char *emptyLine = strstr(pBuffer, "\r\n\r\n");
if (!emptyLine) emptyLine = strstr(pBuffer, "\n\n");
if (emptyLine) {
int nHeader = int(emptyLine-pBuffer) + ((*emptyLine=='\r')?4:2);
pBuffer[nHeader-1]=0; printf("<---- POST: \n%s\n--->\n", pBuffer);
if (pState==WEB_CMD_GET) {
sendPage(pBuffer+4);
pState = WEB_IDLE;
} else if (pState==WEB_CMD_POST) {
// TODO: interprete the client request
const char *cn = strstr(pBuffer, "Content-Length: ");
if (cn) {
pUploadRemaining = atoi(cn+16);
printf("Content Length: >>%d<<\n", (int)pUploadRemaining);
} else {
pUploadRemaining=0;
}
const char *bd = strstr(pBuffer, "boundary=");
if (bd) {
const char *bde = strstr(bd+9, "\r\n");
if (bde) {
size_t len = bde-bd-9;
strcpy(pBoundary, "\r\n--");
memcpy(pBoundary+4, bd+9, len);
pBoundary[len+4] = 0;
printf("Boundary found: >>%s<<\n", pBoundary);
strcat(pBoundary, "--\r\n");
}
}
pState = WEB_UPLOAD_HEADER;
}
// move the remaining part of the buffer to the buffer start
int nData = pBufferPos - nHeader;
memmove(pBuffer, pBuffer+nHeader, nData);
pBufferPos = nData;
}
}
if (pState==WEB_UPLOAD_HEADER) {
const char *emptyLine = strstr(pBuffer, "\r\n\r\n");
if (!emptyLine) emptyLine = strstr(pBuffer, "\n\n");
if (emptyLine) {
int nHeader = int(emptyLine-pBuffer) + ((*emptyLine=='\r')?4:2);
pBuffer[nHeader-1]=0; printf("<---- POST content: \n%s\n--->\n", pBuffer);
// TODO: interprete the content header
const char *fn = strstr(pBuffer, "filename=\"");
if (fn) {
const char *fne = strstr(fn+10, "\"");
if (fne) {
size_t len = fne-fn-10;
memcpy(pFilename, fn+10, len);
pFilename[len] = 0;
printf("Filename found: >>%s<<\n", pFilename);
}
}
// move the remaining part of the buffer to the buffer start
int nData = pBufferPos - nHeader;
memmove(pBuffer, pBuffer+nHeader, nData);
pBufferPos = nData;
pState = WEB_UPLOAD_DATA;
// TODO: open file
char buf[2048];
strcpy(buf, gUploadPath);
strcat(buf, pFilename);
pFile = fopen(buf, "wb");
}
}
if (pState==WEB_UPLOAD_DATA) {
pBuffer[pBufferPos] = 0;
int n = pBufferPos;
int nbd = (int)strlen(pBoundary);
//const char *bd = strstr(pBuffer, pBoundary);
const char *bd = (char*)memmem(pBuffer, pBufferPos, pBoundary, nbd);
if (bd) {
n = int(bd-pBuffer);
//printf("End found\n");
} else if (n<nbd) {
//printf("Less than bd (%d)\n", n);
const char *safe = strchr(pBuffer, '\r');
if (safe) n = int(safe-pBuffer);
} else {
//printf("More than bd (%d)\n", n);
const char *safe = strchr(pBuffer+pBufferPos-nbd, '\r');
//if (safe) printf(">>%s<<\n", safe);
if (safe) n = int(safe-pBuffer);
}
// copy bytes to file
//printf("Copying %d bytes\n", n);
if (n>0)
fwrite(pBuffer, 1, n, pFile);
if (n<pBufferPos) {
int nHeader = n;
int nData = pBufferPos - nHeader;
memmove(pBuffer, pBuffer+nHeader, nData);
pBufferPos = nData;
pBuffer[pBufferPos] = 0;
} else {
pBufferPos = 0;
}
if (bd) {
// close file
fclose(pFile);
sendHTML("<html><body><h1>Thank you!</h1></body></html>");
pState = WEB_IDLE;
pBufferPos = 0;
}
}
return 1;
// start is "POST /upload "
// wait for line "Content-Type:", then find "boundary=" in line, key is the remainder of the line
// wait for line "Content-Length:", then get the number in bytes
// wait for line "--" + key
// wait for line "Content-Disposition:", find "filename=", get filename
// wait for empty line
// read 'length' bytes
// wait for line "--" + key + "--"
// reply, so sender know we are fine
/*
POST /upload HTTP/1.1
Host: localhost:8080
Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7BlGom6EjFm9Oydz
Origin: http://localhost:8080
Accept-Encoding: gzip, deflate
Connection: keep-alive
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,x/x;q=0.8
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_3) AppleWebKit/601.4.4 (KHTML, like Gecko) Version/9.0.3 Safari/601.4.4
Referer: http://localhost:8080/upload
Content-Length: 231
Accept-Language: en-us
------WebKitFormBoundary7BlGom6EjFm9Oydz
Content-Disposition: form-data; name="fileID"; filename="00test.txt"
Content-Type: text/plain
The quick brown fox
jumps over the lazy dog.
------WebKitFormBoundary7BlGom6EjFm9Oydz--
*/
}
void RssObject::getUrl(QString url)
{
emit sendHTML(url);
}
