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FastCGI compression

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This commit is contained in:
Lorenz Stechauner
2020-12-27 20:04:15 +01:00
parent 492e6a94cb
commit b6ecb68b1a
3 changed files with 51 additions and 13 deletions
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2
src/cache.c
View File

@ -112,8 +112,6 @@ int cache_process() {
if (compress) {
strm.avail_in = read;
strm.next_in = (unsigned char *) buf;
strm.avail_out = sizeof(comp_buf);
strm.next_out = (unsigned char *) comp_buf;
do {
strm.avail_out = sizeof(comp_buf);
strm.next_out = (unsigned char *) comp_buf;

5
src/client.c
View File

@ -240,7 +240,7 @@ int client_request_handler(sock *client, unsigned long client_num, unsigned int
char *accept_encoding = http_get_header_field(&req.hdr, "Accept-Encoding");
if (accept_encoding != NULL && strstr(accept_encoding, "deflate") != NULL) {
//http_add_header_field(&res.hdr, "Content-Encoding", "deflate");
http_add_header_field(&res.hdr, "Content-Encoding", "deflate");
}
if (fastcgi_header(&php_fpm, &res, err_msg) != 0) {
@ -334,7 +334,8 @@ int client_request_handler(sock *client, unsigned long client_num, unsigned int
int chunked = transfer_encoding != NULL && strncmp(transfer_encoding, "chunked", 7) == 0;
char *content_encoding = http_get_header_field(&res.hdr, "Content-Encoding");
int comp = content_encoding != NULL && strncmp(content_encoding, "deflate", 7) == 0;
fastcgi_send(&php_fpm, client, (chunked ? FASTCGI_CHUNKED : 0) | (comp ? FASTCGI_COMPRESS : 0));
int flags = (chunked ? FASTCGI_CHUNKED : 0) | (comp ? FASTCGI_COMPRESS : 0);
fastcgi_send(&php_fpm, client, flags);
}
}

45
src/fastcgi.c
View File

@ -361,6 +361,20 @@ int fastcgi_send(fastcgi_conn *conn, sock *client, int flags) {
int len;
char *content, *ptr;
unsigned short req_id, content_len;
char comp_out[4096];
int finish_comp = 0;
z_stream strm;
if (flags & FASTCGI_COMPRESS) {
int level = NECRONDA_ZLIB_LEVEL;
strm.zalloc = Z_NULL;
strm.zfree = Z_NULL;
strm.opaque = Z_NULL;
if (deflateInit(&strm, level) != Z_OK) {
fprintf(stderr, ERR_STR "Unable to init deflate: %s" CLR_STR "\n", strerror(errno));
flags &= !FASTCGI_COMPRESS;
}
}
if (conn->out_buf != NULL && conn->out_len > conn->out_off) {
content = conn->out_buf;
@ -407,6 +421,13 @@ int fastcgi_send(fastcgi_conn *conn, sock *client, int flags) {
conn->socket = 0;
free(content);
if (flags & FASTCGI_COMPRESS) {
finish_comp = 1;
goto out;
finish:
deflateEnd(&strm);
}
if (flags & FASTCGI_CHUNKED) {
if (client->enc) {
SSL_write(client->ssl, "0\r\n\r\n", 5);
@ -420,16 +441,34 @@ int fastcgi_send(fastcgi_conn *conn, sock *client, int flags) {
print(ERR_STR "%.*s" CLR_STR, content_len, content);
} else if (header.type == FCGI_STDOUT) {
out:
len = sprintf(buf0, "%X\r\n", content_len);
if (flags & FASTCGI_COMPRESS) {
strm.avail_in = content_len;
strm.next_in = (unsigned char *) ptr;
}
do {
int buf_len = content_len;
if (flags & FASTCGI_COMPRESS) {
strm.avail_out = sizeof(comp_out);
strm.next_out = (unsigned char *) comp_out;
deflate(&strm, finish_comp ? Z_FINISH : Z_NO_FLUSH);
strm.avail_in = 0;
ptr = comp_out;
buf_len = (int) (sizeof(comp_out) - strm.avail_out);
}
if (buf_len != 0) {
len = sprintf(buf0, "%X\r\n", buf_len);
if (client->enc) {
if (flags & FASTCGI_CHUNKED) SSL_write(client->ssl, buf0, len);
SSL_write(client->ssl, ptr, content_len);
SSL_write(client->ssl, ptr, buf_len);
if (flags & FASTCGI_CHUNKED) SSL_write(client->ssl, "\r\n", 2);
} else {
if (flags & FASTCGI_CHUNKED) send(client->socket, buf0, len, 0);
send(client->socket, ptr, content_len, 0);
send(client->socket, ptr, buf_len, 0);
if (flags & FASTCGI_CHUNKED) send(client->socket, "\r\n", 2, 0);
}
}
} while (!(flags & FASTCGI_COMPRESS) || strm.avail_out == 0);
if (finish_comp) goto finish;
} else {
fprintf(stderr, ERR_STR "Unknown FastCGI type: %i" CLR_STR "\n", header.type);
}