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-rw-r--r--camel/ChangeLog3
-rw-r--r--camel/camel-http-stream.c441
-rw-r--r--camel/camel-http-stream.h86
3 files changed, 530 insertions, 0 deletions
diff --git a/camel/ChangeLog b/camel/ChangeLog
index 287bc4cf02..64e6a83717 100644
--- a/camel/ChangeLog
+++ b/camel/ChangeLog
@@ -1,5 +1,8 @@
2002-02-04 Jeffrey Stedfast <fejj@ximian.com>
+ * camel-http-stream.[c,h]: Added. New stream for HTTP requests
+ (currently supported are GET and HEAD).
+
* camel-tcp-stream-ssl.c (stream_connect): Call set_errno
appropriately.
diff --git a/camel/camel-http-stream.c b/camel/camel-http-stream.c
new file mode 100644
index 0000000000..b7880df2e2
--- /dev/null
+++ b/camel/camel-http-stream.c
@@ -0,0 +1,441 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Authors: Jeffrey Stedfast <fejj@ximian.com>
+ *
+ * Copyright 2002 Ximain, Inc. (www.ximian.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include "camel-http-stream.h"
+#include "camel-stream-buffer.h"
+#include "camel-tcp-stream-raw.h"
+#ifdef HAVE_NSS
+#include "camel-tcp-stream-ssl.h"
+#endif
+#ifdef HAVE_OPENSSL
+#include "camel-tcp-stream-openssl.h"
+#endif
+#include "camel-exception.h"
+#include "camel-session.h"
+
+#define d(x) x
+
+
+static CamelStreamClass *parent_class = NULL;
+
+static ssize_t stream_read (CamelStream *stream, char *buffer, size_t n);
+static ssize_t stream_write (CamelStream *stream, const char *buffer, size_t n);
+static int stream_flush (CamelStream *stream);
+static int stream_close (CamelStream *stream);
+static int stream_reset (CamelStream *stream);
+
+static void
+camel_http_stream_class_init (CamelHttpStreamClass *camel_http_stream_class)
+{
+ CamelStreamClass *camel_stream_class =
+ CAMEL_STREAM_CLASS (camel_http_stream_class);
+
+ parent_class = CAMEL_STREAM_CLASS (camel_type_get_global_classfuncs (camel_stream_get_type ()));
+
+ /* virtual method overload */
+ camel_stream_class->read = stream_read;
+ camel_stream_class->write = stream_write;
+ camel_stream_class->flush = stream_flush;
+ camel_stream_class->close = stream_close;
+ camel_stream_class->reset = stream_reset;
+}
+
+static void
+camel_http_stream_init (gpointer object, gpointer klass)
+{
+ CamelHttpStream *stream = CAMEL_HTTP_STREAM (object);
+
+ stream->content_type = NULL;
+ stream->headers = NULL;
+ stream->service = NULL;
+ stream->url = NULL;
+ stream->raw = NULL;
+}
+
+static void
+headers_free (http->headers)
+{
+ struct _header_raw *node, *next;
+
+ node = http->headers;
+ while (node) {
+ next = node->next;
+ g_free (node->name);
+ g_free (node->value);
+ g_free (node);
+ node = next;
+ }
+}
+
+static void
+camel_http_stream_finalize (CamelObject *object)
+{
+ CamelHttpStream *stream = CAMEL_HTTP_STREAM (object);
+
+ if (stream->content_type)
+ header_content_type_unref (stream->content_type);
+
+ if (stream->headers)
+ headers_free (stream->headers);
+
+ if (stream->service)
+ camel_object_unref (CAMEL_OBJECT (service));
+
+ if (stream->url)
+ camel_url_free (stream->url);
+
+ if (stream->raw)
+ camel_object_unref (CAMEL_OBJECT (stream->raw));
+}
+
+
+CamelType
+camel_http_stream_get_type (void)
+{
+ static CamelType type = CAMEL_INVALID_TYPE;
+
+ if (type == CAMEL_INVALID_TYPE) {
+ type = camel_type_register (camel_stream_get_type (),
+ "CamelHttpStream",
+ sizeof (CamelHttpStream),
+ sizeof (CamelHttpStreamClass),
+ (CamelObjectClassInitFunc) camel_http_stream_class_init,
+ NULL,
+ (CamelObjectInitFunc) camel_http_stream_init,
+ (CamelObjectFinalizeFunc) camel_http_stream_finalize);
+ }
+
+ return type;
+}
+
+
+/**
+ * camel_http_stream_new:
+ * @method: HTTP method
+ * @service: parent service (for SSL/TLS)
+ * @url: URL to act upon
+ *
+ * Return value: a http stream
+ **/
+CamelStream *
+camel_http_stream_new (CamelHttpMethod method, CamelService *service, CamelURL *url)
+{
+ CamelHttpStream *stream;
+ char *str;
+
+ g_return_val_if_fail (!CAMEL_IS_SERVICE (service), NULL);
+ g_return_val_if_fail (url != NULL, NULL);
+
+ stream = CAMEL_HTTP_STREAM (camel_object_new (camel_http_stream_get_type ()));
+
+ stream->method = method;
+ stream->service = service;
+ camel_object_ref (CAMEL_OBJECT (service));
+
+ str = camel_url_to_string (url, 0);
+ stream->url = camel_url_new (str, NULL);
+ g_free (str);
+
+ return CAMEL_STREAM (stream);
+}
+
+
+static CamelStream *
+http_connect (CamelService *service, CamelURL *url)
+{
+ CamelStream *buffered, *stream = NULL;
+ struct hostent *host;
+ int errsave;
+
+ if (!strcasecmp (url->protocol, "https")) {
+#ifdef HAVE_NSS
+ stream = camel_tcp_stream_ssl_new (service, url->host);
+#else
+#ifdef HAVE_OPENSSL
+ stream = camel_tcp_stream_openssl_new (service, url->host);
+#endif /* HAVE_OPENSSL */
+#endif /* HAVE_NSS */
+ } else {
+ stream = camel_tcp_stream_raw_new ();
+ }
+
+ if (stream == NULL) {
+ errno = EINVAL;
+ return NULL;
+ }
+
+ host = camel_get_host_byname (url->host, NULL);
+ if (!host) {
+ errno = EHOSTUNREACH;
+ return NULL;
+ }
+
+ if (camel_tcp_stream_connect (CAMEL_TCP_STREAM (stream), host, url->port ? url->port : 80) == -1) {
+ errsave = errno;
+ camel_object_unref (CAMEL_OBJECT (stream));
+ camel_free_host (host);
+ errno = errsave;
+ return NULL;
+ }
+
+ camel_free_host (host);
+
+ buffered = camel_stream_buffer_new (stream, CAMEL_STREAM_BUFFER_READ);
+ camel_object_unref (CAMEL_OBJECT (stream));
+
+ return buffered;
+}
+
+
+static const char *
+http_next_token (const unsigned char *in)
+{
+ const char *inptr = in;
+
+ while (*inptr && !is_lwsp (*inptr))
+ inptr++;
+
+ while (*inptr && is_lwsp (*inptr))
+ inptr++;
+
+ return inptr;
+}
+
+static int
+http_get_headers (CamelHttpStream *http)
+{
+ CamelMimeParser *mp;
+ struct _header_raw *headers, *node, *tail;
+ const char *type, *token;
+ int status, len, err;
+ char *buf;
+
+ if (camel_stream_buffer_gets (CAMEL_STREAM_BUFFER (http->raw), buffer, 4096) <= 0)
+ return -1;
+
+ if (!stncasecmp (buffer, "HTTP/", 5)) {
+ token = http_next_token (buffer);
+ status = header_decode_int (&token);
+ /* FIXME: don't just check for 200 */
+ if (status != 200 /* OK */)
+ goto exception;
+ } else
+ goto exception;
+
+ mp = camel_mime_parser_new ();
+ camel_mime_parser_init_with_stream (mp, http->raw);
+
+ switch (camel_mime_parser_step (mp, &buf, &len)) {
+ case HSCAN_MESSAGE:
+ case HSCAN_HEADER:
+ case HSCAN_MULTIPART:
+ /* we have the headers, build them into 'us' */
+ headers = camel_mime_parser_headers_raw (mp);
+
+ /* if content-type exists, process it first, set for fallback charset in headers */
+ if (http->content_type)
+ header_content_type_unref (http->content_type);
+ type = header_raw_find (&headers, "Content-Type", NULL);
+ if (type)
+ http->content_type = header_content_type_decode (type);
+ else
+ http->content_type = NULL;
+
+ if (http->headers)
+ headers_free (http->headers);
+
+ http->headers = NULL;
+ tail = (struct _header_raw *) &http->headers;
+
+ while (headers) {
+ node = g_new (struct _header_raw, 1);
+ node->next = NULL;
+ node->name = g_strdup (headers->name);
+ node->value = g_strdup (headers->value);
+ node->offset = headers->offset;
+ tail->next = node;
+ tail = node;
+ headers = headers->next;
+ }
+
+ break;
+ default:
+ g_warning ("Invalid state encountered???: %d", camel_mime_parser_state (mp));
+ }
+
+ err = camel_mime_parser_errno (mp);
+ camel_object_unref (CAMEL_OBJECT (mp));
+
+ if (err != 0)
+ goto exception;
+
+ return 0;
+
+ exception:
+ camel_object_unref (CAMEL_OBJECT (http->raw));
+ http->raw = NULL;
+
+ return -1;
+}
+
+
+static ssize_t
+stream_read (CamelStream *stream, char *buffer, size_t n)
+{
+ CamelHttpStream *http = CAMEL_HTTP_STREAM (stream);
+
+ if (http->method != CAMEL_HTTP_METHOD_GET || http->method != CAMEL_HTTP_METHOD_HEAD) {
+ errno = ENOTSUPP;
+ return -1;
+ }
+
+ if (!http->raw) {
+ const char *method;
+ char *url;
+
+ http->raw = http_connect (http->service, http->url);
+ if (!http->raw)
+ return -1;
+
+ switch (http->method) {
+ case CAMEL_HTTP_METHOD_GET:
+ method = "GET";
+ break;
+ case CAMEL_HTTP_METHOD_HEAD:
+ method = "HEAD";
+ break;
+ }
+
+ url = camel_url_to_string (http->url, 0);
+ if (camel_stream_printf (http->raw, "%s %s HTTP/1.1\r\nHost: %s\r\n\r\n",
+ method, http->url->path ? http->url->path : "/",
+ http->url->host) == -1 ||
+ camel_stream_flush (http->raw) == -1) {
+ camel_object_unref (CAMEL_OBJECT (http->raw));
+ http->raw = NULL;
+ return -1;
+ }
+ g_free (url);
+
+ if (http_get_headers (http) == -1)
+ return -1;
+ }
+
+ return camel_stream_read (http->raw, buffer, n);
+}
+
+static ssize_t
+stream_write (CamelStream *stream, const char *buffer, size_t n)
+{
+ CamelHttpStream *http = CAMEL_HTTP_STREAM (stream);
+
+ if (http->method == CAMEL_HTTP_METHOD_GET || http->method == CAMEL_HTTP_METHOD_HEAD) {
+ errno = ENOTSUPP;
+ return -1;
+ }
+
+ return -1;
+#if 0
+ if (!http->raw) {
+ const char *method;
+ char *url;
+
+ http->raw = http_connect (http->service, http->url);
+ if (!http->raw)
+ return -1;
+
+ switch (http->method) {
+ case CAMEL_HTTP_METHOD_PUT:
+ method = "PUT";
+ break;
+ case CAMEL_HTTP_METHOD_POST:
+ method = "POST";
+ break;
+ }
+
+ url = camel_url_to_string (http->url, 0);
+ if (camel_stream_printf (http->raw, "%s %s HTTP/1.1\r\nHost: %s\r\n\r\n",
+ method, http->url->path ? http->url->path : "/",
+ http->url->host) == -1 ||
+ camel_stream_flush (http->raw) == -1) {
+ camel_object_unref (CAMEL_OBJECT (http->raw));
+ http->raw = NULL;
+ return -1;
+ }
+ g_free (url);
+
+ if (http_get_headers (http) == -1)
+ return -1;
+ }
+
+ return camel_stream_write (http->raw, buffer, n);
+#endif
+}
+
+static int
+stream_flush (CamelStream *stream)
+{
+ if (stream->raw)
+ return camel_stream_flush (stream->raw);
+ else
+ return 0;
+}
+
+static int
+stream_close (CamelStream *stream)
+{
+ CamelHttpStream *http = CAMEL_HTTP_STREAM (stream);
+
+ if (http->raw) {
+ if (camel_stream_close (http->raw) == -1)
+ return -1;
+
+ camel_object_unref (CAMEL_OBJECT (http->raw));
+ http->raw = NULL;
+ }
+
+ return 0;
+}
+
+static int
+stream_reset (CamelStream *stream)
+{
+ CamelHttpStream *http = CAMEL_HTTP_STREAM (stream);
+
+ if (http->raw) {
+ camel_stream_close (http->raw);
+ camel_object_unref (CAMEL_OBJECT (http->raw));
+ http->raw = NULL;
+ }
+
+ return 0;
+};
diff --git a/camel/camel-http-stream.h b/camel/camel-http-stream.h
new file mode 100644
index 0000000000..1ffa18d4bd
--- /dev/null
+++ b/camel/camel-http-stream.h
@@ -0,0 +1,86 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Authors: Jeffrey Stedfast <fejj@ximian.com>
+ *
+ * Copyright 2002 Ximain, Inc. (www.ximian.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
+ *
+ */
+
+
+#ifndef __CAMEL_HTTP_STREAM_H__
+#define __CAMEL_HTTP_STREAM_H__
+
+#ifdef __cplusplus
+extern "C" {
+#pragma }
+#endif /* __cplusplus */
+
+#include <camel/camel-mime-utils.h>
+#include <camel/camel-service.h>
+#include <camel/camel-stream.h>
+#include <camel/camel-url.h>
+
+#define CAMEL_HTTP_STREAM_TYPE (camel_http_stream_get_type ())
+#define CAMEL_HTTP_STREAM(obj) (CAMEL_CHECK_CAST((obj), CAMEL_HTTP_STREAM_TYPE, CamelHttpStream))
+#define CAMEL_HTTP_STREAM_CLASS(k) (CAMEL_CHECK_CLASS_CAST ((k), CAMEL_HTTP_STREAM_TYPE, CamelHttpStreamClass))
+#define CAMEL_IS_HTTP_STREAM(o) (CAMEL_CHECK_TYPE((o), CAMEL_HTTP_STREAM_TYPE))
+
+typedef enum {
+ /*CAMEL_HTTP_METHOD_OPTIONS,*/
+ CAMEL_HTTP_METHOD_GET,
+ CAMEL_HTTP_METHOD_HEAD,
+ /*CAMEL_HTTP_METHOD_POST,*/
+ /*CAMEL_HTTP_METHOD_PUT,*/
+ /*CAMEL_HTTP_METHOD_DELETE,*/
+ /*CAMEL_HTTP_METHOD_TRACE,*/
+ /*CAMEL_HTTP_METHOD_CONNECT*/
+} CamelHttpMethod;
+
+
+typedef struct _CamelHttpStreamClass CamelHttpStreamClass;
+typedef struct _CamelHttpStream CamelHttpStream;
+
+struct _CamelHttpStream {
+ CamelStream parent_object;
+
+ CamelContentType *content_type;
+ struct _header_raw *headers;
+
+ CamelHttpMethod method;
+ CamelService *service;
+ CamelURL *url;
+
+ CamelStream *raw;
+};
+
+struct _CamelHttpStreamClass {
+ CamelStreamClass parent_class;
+
+ /* Virtual methods */
+};
+
+/* Standard Camel function */
+CamelType camel_http_stream_get_type (void);
+
+/* public methods */
+CamelStream *camel_http_stream_new (CamelHttpMethod method, CamelService *service, CamelURL *url);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __CAMEL_HTTP_STREAM_H__ */
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