/**
* Lecture de la réponse jusqu'à un certain caractère (exclu) ou la fin de ligne
* Le caractère '\r' est ignoré
* @return int nb de caractères lus (0 signifie que le premier caractère était ce caractère ou une fin de ligne)
* HTTP_ERROR s'il y a eu une erreur
* HTTP_ERROR_TIMEOUT si le timeout a été dépassé
*/
int HttpClient::readLineToChar(char sep, char* key,int maxlen){
if(debug) Serial.println(F("HttpClient.readLineToChar"));
for(int nbChars=0;;){
char c = httpRead();
if(c==sep || c==0) return nbChars; //Séparateur ou fin de fichier
if(c<0) return c; //httpRead a renvoyé une erreur
if(c==10) continue; //on ignore le '\r'
if(c==13 && nbChars==0 && status!=HTTP_STATUS_RESP_BODY){
//C'est la fin des en-têtes
status = HTTP_STATUS_RESP_BODY;
return 0;
}
if(status==HTTP_STATUS_RESP_HEADER && !(c>='A' && c<='Z' || c>='a' && c<='z' || c>='0' && c<='9' || c=='_' || c=='-')){
//Caractère invalide
if(debug){
Serial.print(F("Caractere invalide:")); Serial.print(c); Serial.println(c,DEC);
}
return error(HTTP_ERROR);
}
nbChars++;
if(nbChars>maxlen) return error(HTTP_ERROR_BUFFER_OVERFLOW);
key[nbChars-1] = c;
key[nbChars] = '\0';
}
}
/*
Read the required number of bytes into the response content buffer. Count < 0 means transfer the entire content.
Returns the number of bytes read. Returns null on EOF.
*/
static ssize readHttpData(Ejs *ejs, EjsHttp *hp, ssize count)
{
MprBuf *buf;
HttpConn *conn;
ssize len, space, nbytes;
conn = hp->conn;
buf = hp->responseContent;
mprResetBufIfEmpty(buf);
while (count < 0 || mprGetBufLength(buf) < count) {
len = (count < 0) ? BIT_MAX_BUFFER : (count - mprGetBufLength(buf));
space = mprGetBufSpace(buf);
if (space < len) {
mprGrowBuf(buf, len - space);
}
if ((nbytes = httpRead(conn, mprGetBufEnd(buf), len)) < 0) {
ejsThrowIOError(ejs, "Cannot read required data");
return MPR_ERR_CANT_READ;
}
mprAdjustBufEnd(buf, nbytes);
if (hp->conn->async || (nbytes == 0 && conn->state > HTTP_STATE_CONTENT)) {
break;
}
}
if (count < 0) {
return mprGetBufLength(buf);
}
return min(count, mprGetBufLength(buf));
}
static void readBody(HttpConn *conn, MprFile *outFile)
{
char buf[BIT_MAX_BUFFER];
cchar *result;
ssize bytes;
while (!conn->error && conn->sock && (bytes = httpRead(conn, buf, sizeof(buf))) > 0) {
if (!app->noout) {
result = formatOutput(conn, buf, &bytes);
if (result) {
mprWriteFile(outFile, result, bytes);
}
}
#if FUTURE
// This should be pushed into a range filter.
// Buffer all output and then parsing can work
type = httpGetHeader(conn, "Content-Type");
if (scontains(type, "multipart/byteranges")) {
if ((boundary = scontains(type, "boundary=")) != 0) {
boundary += 9;
if (*boundary) {
boundary = sfmt("--%s\r\n", boundary);
}
}
}
#endif
}
}
static void
_get_read_data (GtkCupsRequest *request)
{
char buffer[_GTK_CUPS_MAX_CHUNK_SIZE];
gsize bytes;
gsize bytes_written;
GIOStatus io_status;
GError *error;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
error = NULL;
request->poll_state = GTK_CUPS_HTTP_READ;
#if HAVE_CUPS_API_1_2
bytes = httpRead2 (request->http, buffer, sizeof (buffer));
#else
bytes = httpRead (request->http, buffer, sizeof (buffer));
#endif /* HAVE_CUPS_API_1_2 */
request->bytes_received += bytes;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %" G_GSIZE_FORMAT " bytes read\n", bytes));
io_status =
g_io_channel_write_chars (request->data_io,
buffer,
bytes,
&bytes_written,
&error);
if (io_status == G_IO_STATUS_ERROR)
{
request->state = GTK_CUPS_GET_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
gtk_cups_result_set_error (request->result,
GTK_CUPS_ERROR_IO,
io_status,
error->code,
error->message);
g_error_free (error);
}
/* Stop if we do not expect any more data or EOF was received. */
#if HAVE_CUPS_API_1_2
if (httpGetLength2 (request->http) <= request->bytes_received || bytes == 0)
#else
if (httpGetLength (request->http) <= request->bytes_received || bytes == 0)
#endif /* HAVE_CUPS_API_1_2 */
{
request->state = GTK_CUPS_GET_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
return;
}
}
static void readBody(HttpConn *conn)
{
char buf[HTTP_BUFSIZE];
ssize bytes;
while (!conn->error && conn->sock && (bytes = httpRead(conn, buf, sizeof(buf))) > 0) {
showOutput(conn, buf, bytes);
}
}
PUBLIC char *httpReadString(HttpStream *stream)
{
HttpRx *rx;
ssize sofar, nbytes, remaining;
char *content;
rx = stream->rx;
if (rx->length < 0) {
return 0;
}
remaining = (ssize) min(MAXSSIZE, rx->length);
if (remaining > 0) {
if ((content = mprAlloc(remaining + 1)) == 0) {
return 0;
}
sofar = 0;
while (remaining > 0) {
nbytes = httpRead(stream, &content[sofar], remaining);
if (nbytes < 0) {
return 0;
}
sofar += nbytes;
remaining -= nbytes;
}
} else {
content = NULL;
sofar = 0;
while (1) {
if ((content = mprRealloc(content, sofar + ME_BUFSIZE)) == 0) {
return 0;
}
nbytes = httpRead(stream, &content[sofar], ME_BUFSIZE);
if (nbytes < 0) {
return 0;
} else if (nbytes == 0) {
break;
}
sofar += nbytes;
}
}
content[sofar] = '\0';
return content;
}
static void
_get_read_data (GtkCupsRequest *request)
{
char buffer[_GTK_CUPS_MAX_CHUNK_SIZE];
gsize bytes;
gsize bytes_written;
GIOStatus io_status;
GError *error;
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %s\n", G_STRFUNC));
error = NULL;
request->poll_state = GTK_CUPS_HTTP_READ;
#if HAVE_CUPS_API_1_2
bytes = httpRead2 (request->http, buffer, sizeof (buffer));
#else
bytes = httpRead (request->http, buffer, sizeof (buffer));
#endif /* HAVE_CUPS_API_1_2 */
GTK_NOTE (PRINTING,
g_print ("CUPS Backend: %i bytes read\n", bytes));
if (bytes == 0)
{
request->state = GTK_CUPS_GET_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
return;
}
io_status =
g_io_channel_write_chars (request->data_io,
buffer,
bytes,
&bytes_written,
&error);
if (io_status == G_IO_STATUS_ERROR)
{
request->state = GTK_CUPS_GET_DONE;
request->poll_state = GTK_CUPS_HTTP_IDLE;
gtk_cups_result_set_error (request->result,
GTK_CUPS_ERROR_IO,
io_status,
error->code,
error->message);
g_error_free (error);
}
}
/*
Read data as a string
*/
PUBLIC char *httpReadString(HttpConn *conn)
{
HttpRx *rx;
ssize sofar, nbytes, remaining;
char *content;
rx = conn->rx;
remaining = (ssize) min(MAXSSIZE, rx->length);
if (remaining > 0) {
if ((content = mprAlloc(remaining + 1)) == 0) {
return 0;
}
sofar = 0;
while (remaining > 0) {
nbytes = httpRead(conn, &content[sofar], remaining);
if (nbytes < 0) {
return 0;
}
sofar += nbytes;
remaining -= nbytes;
}
} else {
content = mprAlloc(BIT_MAX_BUFFER);
sofar = 0;
while (1) {
nbytes = httpRead(conn, &content[sofar], BIT_MAX_BUFFER);
if (nbytes < 0) {
return 0;
} else if (nbytes == 0) {
break;
}
sofar += nbytes;
content = mprRealloc(content, sofar + BIT_MAX_BUFFER);
}
}
content[sofar] = '\0';
return content;
}
int HttpClient::moveToEOL(){
if(status==HTTP_STATUS_IDLE){
//La réponse n'a pas commencé
if(debug) Serial.println("Error: Status not IDLE");
return error(HTTP_ERROR_STATUS);
}
for(int nbChars=0;;nbChars++){
int c = httpRead();
if(c<0) return c; //httpRead a renvoyé une erreur
if(c=='\n'){
return 0;
}
}
}
static void readBody(HttpConn *conn, MprFile *outFile)
{
char buf[ME_MAX_BUFFER];
cchar *result;
ssize bytes;
while (!conn->error && (bytes = httpRead(conn, buf, sizeof(buf))) > 0) {
if (!app->noout) {
result = formatOutput(conn, buf, &bytes);
if (result) {
mprWriteFile(outFile, result, bytes);
}
}
}
}
/*
Eat remaining input incase last request did not consume all data
*/
static void consumeLastRequest(HttpConn *conn)
{
char junk[4096];
if (conn->state >= HTTP_STATE_FIRST) {
while (!httpIsEof(conn) && !httpRequestExpired(conn, 0)) {
if (httpRead(conn, junk, sizeof(junk)) <= 0) {
break;
}
}
}
if (HTTP_STATE_CONNECTED <= conn->state && conn->state < HTTP_STATE_COMPLETE) {
conn->keepAliveCount = 0;
}
}
/**
* Attend le début de la réponse, lit la première ligne de la réponse, avec le code réponse
* Fait suite à l'envoi d'une requête.
* @return int code réponse
* HTTP_ERROR s'il y a eu une erreur
* HTTP_ERROR_TIMEOUT si le timeout a été dépassé
* HTTP_ERROR_STATUS status du client est anormal
*/
int HttpClient::readResponseCode(){
if(debug) Serial.print(F("HttpClient.readResponseCode..."));
if(status!=HTTP_STATUS_RESP_WAIT){
if(debug) Serial.println(F("Excepted status:WAIT"));
return error(HTTP_ERROR_STATUS);
}
char* intro = "HTTP/1.1 ";
int result = 0;
startMillis = millis();
for(int charIdx=0;;charIdx++){
char c = httpRead();
if(c<0) return c; //C'est une erreur
if(charIdx<=8){
if(debug) Serial.print(c);
//Vérification du "HTTP/1.1 "
if(c==intro[charIdx] || (charIdx==7 && c=='0')){
//OK
}
else{
if(debug) Serial.print(F(": HTTP/1.1 not verified"));
return error(HTTP_ERROR);
}
}
else if(charIdx<=11){
//Lecture du code réponse
if(c<'0' || c >'9'){
if(debug) Serial.print(F("Invalid char (")); Serial.print(charIdx); Serial.print("):"); Serial.print(c);
return error(HTTP_ERROR);
}
int tmp = 1;
for(uint8_t i=0;i<11-charIdx;i++) tmp = tmp*10;
tmp = (c-48)*tmp;
result += tmp;
//Serial.print("c=");Serial.print(c-48,DEC);Serial.print(" ");Serial.print(tmp);Serial.print(" idx=");Serial.print(charIdx,DEC);Serial.print(" ->");Serial.println(result,DEC);
//if(debug) Serial.println(result);
}
else{
//On passe le reste de la ligne, et on renvoie le résultat
if(int res=moveToEOL()<0) return error(res);
status = HTTP_STATUS_RESP_HEADER; //La ligne suivante est une en-tête
if(debug) Serial.println(result);
return result;
}
}
}
/**
* Passe la suites des en-têtes HTTP
* @return 0 si tout s'est bien passé
* HTTP_ERROR s'il y a eu une erreur
* HTTP_ERROR_TIMEOUT si le timeout a été dépassé
*/
int HttpClient::skipHeaders(){
if(debug) Serial.println(F("HttpClient.skipHeaders"));
if(status!=HTTP_STATUS_RESP_HEADER){
//On n'est pas dans les en-têtes
if(debug) Serial.println("Excepted status:RESP_HEADER");
return error(HTTP_ERROR_STATUS);
}
char prevChar;
char c = 0;
while(c!=13 || prevChar!=13) //tant qu'il n'y a pas deux caractères '\n' consécutifs
{
prevChar = c;
c = httpRead();
if(c<0) return error(c); //httpRead a renvoyé une erreur
if(c==10){
c = prevChar;
prevChar = 0;
continue;
}
}
status = HTTP_STATUS_RESP_BODY;
return 0;
}
void FQTermHttp::getLink(const QUrl& url, bool preview) {
QUrl u=url;
isExisting_ = false;
isPreview_ = preview;
previewEmitted = false;
lastPercent_ = 0;
if (u.isRelative() || u.scheme() == "file") {
emit previewImage(cacheFileName_, false, true);
emit done(this);
return ;
}
if (QFile::exists(getPath(USER_CONFIG) + "hosts.cfg")) {
config_ = new FQTermConfig(getPath(USER_CONFIG) + "hosts.cfg");
QString strTmp = config_->getItemValue("hosts", u.host().toLocal8Bit());
if (!strTmp.isEmpty()) {
QString strUrl = u.toString();
strUrl.replace(QRegExp(u.host(), Qt::CaseInsensitive), strTmp);
u = strUrl;
}
}
if (!(netreply_ && netreply_->hasRawHeader("Location"))) {
cacheFileName_ = QFileInfo(u.path()).fileName();
}
if(netreply_){
netreply_->blockSignals(true);
netreply_.take()->deleteLater();
}
netreply_.reset(nam_->get(QNetworkRequest(u)));
FQ_VERIFY(connect(netreply_.data(), SIGNAL(finished()), this, SLOT(httpDone())));
FQ_VERIFY(connect(netreply_.data(), SIGNAL(downloadProgress(qint64, qint64)),this, SLOT(httpRead(qint64, qint64))));
FQ_VERIFY(connect(netreply_.data(), SIGNAL(error( QNetworkReply::NetworkError)), this, SLOT(httpError(QNetworkReply::NetworkError))));
FQ_VERIFY(connect(netreply_.data(), SIGNAL(metaDataChanged()), this, SLOT(httpResponse())));
}
PUBLIC ssize receive(char *buf, ssize len)
{
return httpRead(getStream(), buf, len);
}
static void
httpGetObject(App *app, HTTP *http, int sock)
{
Buf *buf;
HTTPNameValue *h;
app->printHTML(app, "<h4>Request</h4>");
app->printHTML(app, "<pre>");
buf = bufAlloc(sock);
bufMark(buf, 0);
bufPutString(buf, (unsigned char *) "GET ");
if (http->url->path)
{
bufPutString(buf, http->url->path);
}
if (http->url->params)
{
bufPutString(buf, http->url->params);
}
if (http->url->query)
{
bufPutString(buf, http->url->query);
}
bufPutChar(buf, ' ');
bufPutString(buf, http->version);
bufPutString(buf, (unsigned char *) "\r\n");
bufMark(buf, 0);
app->httpRequest(app, buf);
h = http->headers;
if (h)
{
while (h->name)
{
httpPutHeader(app, buf, (char *) h->name,
(char *) h->value);
h++;
}
}
httpPutHeader(app, buf, "Connection", "close");
httpPutHeader(app, buf, "Host", (char *) http->url->host);
bufPutString(buf, (unsigned char *) "\r\n");
bufMark(buf, 0);
app->httpRequest(app, buf);
app->printHTML(app, "</pre>");
if (bufError(buf))
{
return;
}
bufSend(buf);
bufFree(buf);
httpRead(app, http, sock);
}
ssize espReceive(HttpConn *conn, char *buf, ssize len)
{
return httpRead(conn, buf, len);
}
void
translate_messages(const char *language)/* I - Output language... */
{
/*
* Google provides a simple translation/language tool for translating
* from one language to another. It is far from perfect, however it
* can be used to get a basic translation done or update an existing
* translation when no other resources are available.
*
* Translation requests are sent as HTTP POSTs to
* "http://translate.google.com/translate_t" with the following form
* variables:
*
* Name Description Value
* -------- ---------------------------------- ----------------
* hl Help language? "en"
* ie Input encoding "UTF8"
* langpair Language pair "en|" + language
* oe Output encoding "UTF8"
* text Text to translate translation string
*/
int i; /* Looping var */
message_t *m; /* Current message */
int tries; /* Number of tries... */
http_t *http; /* HTTP connection */
http_status_t status; /* Status of POST request */
char *idptr, /* Pointer into msgid */
*strptr, /* Pointer into msgstr */
buffer[65536], /* Input/output buffer */
*bufptr, /* Pointer into buffer */
*bufend, /* Pointer to end of buffer */
length[16]; /* Content length */
unsigned char *utf8; /* UTF-8 string */
int ch; /* Current decoded character */
int bytes; /* Number of bytes read */
/*
* Connect to translate.google.com...
*/
puts("Connecting to translate.google.com...");
if ((http = httpConnect("translate.google.com", 80)) == NULL)
{
perror("Unable to connect to translate.google.com");
return;
}
/*
* Scan the current messages, requesting a translation of any untranslated
* messages...
*/
for (i = num_messages, m = messages; i > 0; i --, m ++)
{
/*
* Skip messages that are already translated...
*/
if (m->str && m->str[0])
continue;
/*
* Encode the form data into the buffer...
*/
snprintf(buffer, sizeof(buffer),
"hl=en&ie=UTF8&langpair=en|%s&oe=UTF8&text=", language);
bufptr = buffer + strlen(buffer);
bufend = buffer + sizeof(buffer) - 5;
for (idptr = m->id; *idptr && bufptr < bufend; idptr ++)
if (*idptr == ' ')
*bufptr++ = '+';
else if (*idptr < ' ' || *idptr == '%')
{
sprintf(bufptr, "%%%02X", *idptr & 255);
bufptr += 3;
}
else if (*idptr != '&')
*bufptr++ = *idptr;
*bufptr++ = '&';
*bufptr = '\0';
sprintf(length, "%d", bufptr - buffer);
/*
* Send the request...
*/
printf("\"%s\" = ", m->id);
fflush(stdout);
tries = 0;
do
{
httpClearFields(http);
httpSetField(http, HTTP_FIELD_CONTENT_TYPE,
"application/x-www-form-urlencoded");
httpSetField(http, HTTP_FIELD_CONTENT_LENGTH, length);
if (httpPost(http, "/translate_t"))
{
httpReconnect(http);
httpPost(http, "/translate_t");
}
httpWrite(http, buffer, bufptr - buffer);
while ((status = httpUpdate(http)) == HTTP_CONTINUE);
if (status != HTTP_OK && status != HTTP_ERROR)
httpFlush(http);
tries ++;
}
while (status == HTTP_ERROR && tries < 10);
if (status == HTTP_OK)
{
/*
* OK, read the translation back...
*/
bufptr = buffer;
bufend = buffer + sizeof(buffer) - 1;
while ((bytes = httpRead(http, bufptr, bufend - bufptr)) > 0)
bufptr += bytes;
if (bytes < 0)
{
/*
* Read error, abort!
*/
puts("READ ERROR!");
break;
}
*bufptr = '\0';
/*
* Find the first textarea element - that will have the translation data...
*/
if ((bufptr = strstr(buffer, "<textarea")) == NULL)
{
/*
* No textarea, abort!
*/
puts("NO TEXTAREA!");
break;
}
if ((bufptr = strchr(bufptr, '>')) == NULL)
{
/*
* textarea doesn't end, abort!
*/
puts("TEXTAREA SHORT DATA!");
break;
}
utf8 = (unsigned char *)bufptr + 1;
if ((bufend = strstr(bufptr, "</textarea>")) == NULL)
{
/*
* textarea doesn't close, abort!
*/
puts("/TEXTAREA SHORT DATA!");
break;
}
*bufend = '\0';
/*
* Copy the UTF-8 translation to ISO-8859-1 (for now)...
*/
m->str = malloc(bufend - bufptr);
for (strptr = m->str; *utf8;)
if (*utf8 < 0x80)
*strptr++ = *utf8++;
else
{
if ((*utf8 & 0xe0) == 0xc0)
{
/*
* Two-byte encoding...
*/
ch = ((utf8[0] & 0x1f) << 6) | (utf8[1] & 0x3f);
utf8 += 2;
}
else if ((ch & 0xf0) == 0xe0)
{
/*
* Three-byte encoding...
*/
ch = ((((utf8[0] & 0x0f) << 6) | (utf8[1] & 0x3f)) << 6) |
(utf8[2] & 0x3f);
utf8 += 3;
}
if (ch < 256) /* ISO-8859-1 */
*strptr++ = ch;
else if (ch == 0x20ac) /* Euro */
*strptr++ = 0xA4; /* ISO-8859-15 mapping */
}
*strptr = '\0';
printf("\"%s\"\n", m->str);
}
else if (status == HTTP_ERROR)
{
printf("NETWORK ERROR (%s)!\n", strerror(httpError(http)));
break;
}
else
{
printf("HTTP ERROR %d!\n", status);
break;
}
}
httpClose(http);
}
std::string TcpServer::getRequest(int clientFd) const {
return httpRead(clientFd);
}
char * /* O - Pathname or NULL */
file_find(const char *path, /* I - Path "dir;dir;dir" */
const char *s) /* I - File to find */
{
int i; /* Looping var */
int retry; /* Current retry */
char *temp, /* Current position in filename */
method[HTTP_MAX_URI], /* Method/scheme */
username[HTTP_MAX_URI], /* Username:password */
hostname[HTTP_MAX_URI], /* Hostname */
resource[HTTP_MAX_URI]; /* Resource */
int port; /* Port number */
const char *connhost; /* Host to connect to */
int connport; /* Port to connect to */
char connpath[HTTP_MAX_URI], /* Path for GET */
connauth[HTTP_MAX_VALUE];/* Auth string */
http_status_t status; /* Status of request... */
FILE *fp; /* Web file */
int bytes, /* Bytes read */
count, /* Number of bytes so far */
total; /* Total bytes in file */
static char filename[HTTP_MAX_URI]; /* Current filename */
/*
* If the filename is NULL, return NULL...
*/
if (s == NULL)
return (NULL);
if (strncmp(s, "http:", 5) == 0 ||
(path != NULL && strncmp(path, "http:", 5) == 0))
strcpy(method, "http");
#ifdef HAVE_LIBSSL
else if (strncmp(s, "https:", 6) == 0 ||
(path != NULL && strncmp(path, "https:", 6) == 0))
strcpy(method, "https");
#endif /* HAVE_LIBSSL */
else
strcpy(method, "file");
if (strcmp(method, "file") == 0)
{
/*
* If the path is NULL or empty, return the filename...
*/
if (path == NULL || !path[0])
return ((char *)s);
/*
* Else loop through the path string until we reach the end...
*/
while (*path != '\0')
{
/*
* Copy the path directory...
*/
temp = filename;
while (*path != ';' && *path && temp < (filename + sizeof(filename) - 1))
*temp++ = *path++;
if (*path == ';')
path ++;
/*
* Append a slash as needed...
*/
if (temp > filename && temp < (filename + sizeof(filename) - 1) &&
s[0] != '/')
*temp++ = '/';
/*
* Append the filename...
*/
strncpy(temp, s, sizeof(filename) - (temp - filename));
filename[sizeof(filename) - 1] = '\0';
/*
* See if the file exists...
*/
if (!access(filename, 0))
return (filename);
}
}
else
{
/*
* Remote file; look it up in the web cache, and then try getting it
* from the remote system...
*/
for (i = 0; i < web_files; i ++)
if (web_cache[i].url && strcmp(web_cache[i].url, s) == 0)
return (web_cache[i].name);
#ifdef HAVE_LIBSSL
if (strncmp(s, "http:", 5) == 0 || strncmp(s, "https:", 6) == 0)
#else
if (strncmp(s, "http:", 5) == 0)
#endif /* HAVE_LIBSSL */
httpSeparate(s, method, username, hostname, &port, resource);
else if (s[0] == '/')
{
httpSeparate(path, method, username, hostname, &port, resource);
strcpy(resource, s);
}
else
{
if (strncmp(s, "./", 2) == 0)
snprintf(filename, sizeof(filename), "%s/%s", path, s + 2);
else
snprintf(filename, sizeof(filename), "%s/%s", path, s);
httpSeparate(filename, method, username, hostname, &port, resource);
}
for (status = HTTP_ERROR, retry = 0;
status == HTTP_ERROR && retry < 5;
retry ++)
{
if (proxy_port)
{
/*
* Send request to proxy host...
*/
connhost = proxy_host;
connport = proxy_port;
snprintf(connpath, sizeof(connpath), "%s://%s:%d%s", method,
hostname, port, resource);
}
else
{
/*
* Send request to host directly...
*/
connhost = hostname;
connport = port;
strcpy(connpath, resource);
}
if (http != NULL && strcasecmp(http->hostname, hostname) != 0)
{
httpClose(http);
http = NULL;
}
if (http == NULL)
{
progress_show("Connecting to %s...", connhost);
atexit(file_cleanup);
#ifdef HAVE_LIBSSL
if (strcmp(method, "http") == 0)
http = httpConnect(connhost, connport);
else
http = httpConnectEncrypt(connhost, connport, HTTP_ENCRYPT_ALWAYS);
#else
http = httpConnect(connhost, connport);
#endif /* HAVE_LIBSSL */
if (http == NULL)
{
progress_hide();
progress_error("Unable to connect to %s!", connhost);
return (NULL);
}
}
progress_show("Getting %s...", connpath);
httpClearFields(http);
httpSetField(http, HTTP_FIELD_HOST, hostname);
httpSetField(http, HTTP_FIELD_USER_AGENT, "HTMLDOC v" SVERSION);
httpSetField(http, HTTP_FIELD_CONNECTION, "Keep-Alive");
if (username[0])
{
strcpy(connauth, "Basic ");
httpEncode64(connauth + 6, username);
httpSetField(http, HTTP_FIELD_AUTHORIZATION, connauth);
}
if (!httpGet(http, connpath))
while ((status = httpUpdate(http)) == HTTP_CONTINUE);
else
status = HTTP_ERROR;
if (status >= HTTP_MOVED_PERMANENTLY && status <= HTTP_SEE_OTHER)
{
/*
* Flush text...
*/
httpFlush(http);
/*
* Grab new location from HTTP data...
*/
httpSeparate(httpGetField(http, HTTP_FIELD_LOCATION), method, username,
hostname, &port, resource);
status = HTTP_ERROR;
}
}
if (status != HTTP_OK)
{
progress_hide();
progress_error("HTTP error %d: %s!", status, httpStatus(status));
httpFlush(http);
return (NULL);
}
if ((fp = file_temp(filename, sizeof(filename))) == NULL)
{
progress_hide();
progress_error("Unable to create temporary file \"%s\": %s", filename,
strerror(errno));
httpFlush(http);
return (NULL);
}
if ((total = atoi(httpGetField(http, HTTP_FIELD_CONTENT_LENGTH))) == 0)
total = 8192;
count = 0;
while ((bytes = httpRead(http, resource, sizeof(resource))) > 0)
{
count += bytes;
progress_update((100 * count / total) % 101);
fwrite(resource, 1, bytes, fp);
}
progress_hide();
fclose(fp);
web_cache[web_files - 1].name = strdup(filename);
web_cache[web_files - 1].url = strdup(s);
return (filename);
}
return (NULL);
}