From e30980265e897e020fc137afd9465889d993d63c Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Wed, 17 Jul 2019 22:35:09 -0400
Subject: mostly working new post, except for that crashing on write() bit

---
 blog.c | 77 +++++++++++++++++++++++++++++++++++++++++++-----------------------
 1 file changed, 50 insertions(+), 27 deletions(-)

(limited to 'blog.c')

diff --git a/blog.c b/blog.c
index cdb20fa..026017d 100644
--- a/blog.c
+++ b/blog.c
@@ -1,37 +1,72 @@
 #define _XOPEN_SOURCE 700
+#include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/stat.h>
+#include <time.h>
+#include <unistd.h>
 #include "blog.h"
 
-extern char **environ;
+#include <errno.h>
 
 int handle_post(void)
 {
-
-	//printf("Status: 301 Found\r\n");
-	//printf("Location: http%s://%s%s\r\n\r\n", getenv("HTTPS") ? "s" : "", getenv("HTTP_HOST"), getenv("DOCUMENT_URI"));
-
 	printf("Status: 200 OK\r\n");
 	printf("Content-Type: text/plain\r\n\r\n");
 
 	read_post_data();
 	if (!authenticate(find_post_data("username"), find_post_data("password"))) {
-		printf("Bad login!");
+		printf("Status 403 Forbidden\r\n");
+		printf("Content-Type: text/plain\r\n\r\n");
+		puts("Incorrect username or password. Go back and try again.");
 		return 0;
 	}
 
-	for (char **e = environ; e && *e; e++) {
-		puts(*e);
+	int blogdir = open(DATA_DIRECTORY, O_DIRECTORY);
+	if (blogdir == -1) {
+		printf("open(%s): %s\n", DATA_DIRECTORY, strerror(errno));
+		return 1;
 	}
-	return 0;
-}
 
-int show_entry(const char *path)
-{
-	printf("Status: 200 OK\r\n");
-	printf("Content-Type: text/plain\r\n\r\n");
-	puts(path);
+	time_t now = time(NULL);
+	struct tm *tm = localtime(&now);
+
+	char ymd[16] = { 0 };
+	strftime(ymd, sizeof(ymd), "%Y", tm);
+	mkdirat(blogdir, ymd, 0755);
+
+	strftime(ymd, sizeof(ymd), "%Y/%m", tm);
+	mkdirat(blogdir, ymd, 0755);
+
+	strftime(ymd, sizeof(ymd), "%Y/%m/%d", tm);
+	mkdirat(blogdir, ymd, 0755);
+
+	char *title = find_post_data("title");
+	char uri[FILENAME_MAX] = { 0 };
+	snprintf(uri, sizeof(uri), "%s/%s", ymd, title);
+
+	int newpost = openat(blogdir, uri, O_WRONLY | O_CREAT, 0644);
+	if (newpost == -1) {
+		printf("open(%s): %s\n", uri, strerror(errno));
+		return 0;
+	}
+
+	char *body = find_post_data("body");
+	if (body == NULL) {
+		puts("body is null?!");
+	}
+
+	if (write(newpost, body, strlen(body)) != strlen(body)) {
+		printf("write: %s\n", strerror(errno));
+		return 0;
+	}
+
+	close(newpost);
+	close(blogdir);
+
+	printf("Status: 302 Found\r\n");
+	printf("Location: http%s://%s/%s\r\n\r\n", getenv("HTTPS") ? "s" : "", getenv("HTTP_HOST"), uri);
 	return 0;
 }
 
@@ -42,11 +77,6 @@ int main(void)
 		return handle_post();
 	}
 
-	char *path_info = getenv("PATH_INFO");
-	if (path_info && *path_info && strcmp(path_info, "/")) {
-		return show_entry(path_info);
-	}
-
 	printf("Status: 200 OK\r\n");
 	printf("Content-Type: text/html\r\n\r\n");
 
@@ -65,13 +95,6 @@ int main(void)
 	puts("<textarea name=\"body\" cols=\"80\" rows=\"24\"></textarea><br>");
 	puts("<input type=\"submit\">");
 	puts("</form>");
-
-	puts("<!--");
-	for (char **e = environ; e && *e; e++) {
-		puts(*e);
-	}
-	puts("-->");
-
 	puts("</body>");
 	puts("</html>");
 
-- 
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