#define _XOPEN_SOURCE 700 #include #include #include #include #include #include #include #include #include "blog.h" #include #define DOCTYPE "\n" #define HTML "\n" #define META "\n" #define TITLE "%s\n" #define ICON "\n" #define STYLE "\n" #define BODY "\n\n" #define HTML_HEAD DOCTYPE HTML META TITLE ICON STYLE BODY #define ADDRESS "

Copyright © %d Jakob Kaivo <jakob@kaivo.net>\n" #define HTML_TAIL "\n" ADDRESS "\n\n" int handle_post(void) { /* 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("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; } int blogdir = open(DATA_DIRECTORY, O_DIRECTORY); if (blogdir == -1) { printf("open(%s): %s\n", DATA_DIRECTORY, strerror(errno)); return 1; } 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 }; char *end = stpcpy(uri, ymd); *end++ = '/'; for (char *f = title; *f != '\0'; f++) { *end++ = isalnum(*f) ? *f : '-'; } 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) { return 1; } dprintf(newpost, HTML_HEAD, title); dprintf(newpost, "

%s

\n", title); if (write(newpost, body, strlen(body)) != strlen(body)) { printf("write: %s\n", strerror(errno)); return 0; } dprintf(newpost, HTML_TAIL, tm->tm_year + 1900); close(newpost); close(blogdir); add_to_index(uri, title); 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; } int main(void) { char *method = getenv("REQUEST_METHOD"); if (!strcmp(method, "POST")) { return handle_post(); } printf("Status: 200 OK\r\n"); printf("Content-Type: text/html\r\n\r\n"); printf(HTML_HEAD, "new blog entry"); printf(""); time_t t = time(NULL); struct tm *tm = localtime(&t); printf(HTML_TAIL, tm->tm_year + 1900); return 0; }