lorenz.stechauner/sesimos
1
1
Fork 0
Code Issues Pull Requests Projects Releases Activity

Add ETag calculation

Browse Source
This commit is contained in:
Lorenz Stechauner
2020-12-22 22:31:58 +01:00
parent 8cccf48826
commit c6f364d6e8
5 changed files with 148 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
src/client.c
View File

@ -181,13 +181,28 @@ int client_request_handler(sock *client, int req_num) {
sprintf(err_msg, "Unable to communicate with internal file cache.");
goto respond;
}
http_add_header_field(&res.hdr, "Last-Modified",
http_format_date(uri.meta->stat.st_mtime, buf0, sizeof(buf0)));
sprintf(buf0, "%s, charset=%s", uri.meta->type, uri.meta->charset);
http_add_header_field(&res.hdr, "Content-Type", buf0);
if (uri.meta->etag[0] != 0) {
http_add_header_field(&res.hdr, "ETag", uri.meta->etag);
}
if (strncmp(uri.meta->type, "text/", 5) == 0) {
http_add_header_field(&res.hdr, "Cache-Control", "public, max-age=3600");
} else {
http_add_header_field(&res.hdr, "Cache-Control", "public, max-age=86400");
}
file = fopen(uri.filename, "rb");
fseek(file, 0, 2);
content_length = ftell(file);
fseek(file, 0, 0);
char *if_none_match = http_get_header_field(&req.hdr, "If-None-Match", HTTP_LOWER);
if (if_none_match != NULL && strncmp(if_none_match, uri.meta->etag, sizeof(uri.meta->etag)) == 0) {
res.status = http_get_status(304);
} else {
file = fopen(uri.filename, "rb");
fseek(file, 0, 2);
content_length = ftell(file);
fseek(file, 0, 0);
}
}
respond: