browse: add upload button

1 files changed, 66 insertions, 0 deletions

diff --git a/upload.c b/upload.c
new file mode 100644
index 0000000..03e4169
--- /dev/null
+++ b/upload.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2023, Vincent Douillet <vincent@vdouillet.fr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <kcgi.h>
+#include <limits.h>
+#include <string.h>
+
+#include "upload.h"
+#include "url.h"
+
+/*
+ * upload url = r->pname / UPLOAD_URL / file->path
+ */
+size_t
+build_upload_url(const struct kreq * r, struct file * file)
+{
+	char 	action_url[PATH_MAX];
+	size_t 	action_url_len;
+
+	if (!file->is_dir)
+		return 0;
+
+	action_url_len = url_build(action_url, PATH_MAX, r->pname, UPLOAD_URL,
+				   file->path, NULL);
+	if (action_url_len == 0 || action_url_len >= PATH_MAX) {
+		kutil_warn(r, NULL,
+			   "upload: action URL overflow: %s", action_url);
+		return 0;
+	}
+	file->action_url = strndup(action_url, action_url_len);
+	if (file->action_url == NULL) {
+		kutil_warn(r, NULL,
+			   "upload: unable to allocate file url buffer: %s",
+			   action_url);
+		return 0;
+	}
+	return action_url_len;
+}