git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-merge-1.4.x@577 152afb58-edef-0310-8abb-c4023f1b3aa9svn/tags/lighttpd-1.4.2
parent
faa4d51ede
commit
3be06bb84c
@ -0,0 +1,320 @@
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <ctype.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <dirent.h>
|
||||
|
||||
#include "base.h"
|
||||
#include "log.h"
|
||||
#include "buffer.h"
|
||||
#include "response.h"
|
||||
|
||||
#include "plugin.h"
|
||||
|
||||
#include "config.h"
|
||||
|
||||
/**
|
||||
* this is a webdav for a lighttpd plugin
|
||||
*
|
||||
* at least a very basic one.
|
||||
* - for now it is read-only and we only support PROPFIND
|
||||
*
|
||||
*/
|
||||
|
||||
|
||||
|
||||
/* plugin config for all request/connections */
|
||||
|
||||
typedef struct {
|
||||
array *match;
|
||||
} plugin_config;
|
||||
|
||||
typedef struct {
|
||||
PLUGIN_DATA;
|
||||
|
||||
buffer *tmp_buf;
|
||||
|
||||
plugin_config **config_storage;
|
||||
|
||||
plugin_config conf;
|
||||
} plugin_data;
|
||||
|
||||
/* init the plugin data */
|
||||
INIT_FUNC(mod_webdav_init) {
|
||||
plugin_data *p;
|
||||
|
||||
p = calloc(1, sizeof(*p));
|
||||
|
||||
p->tmp_buf = buffer_init();
|
||||
|
||||
return p;
|
||||
}
|
||||
|
||||
/* detroy the plugin data */
|
||||
FREE_FUNC(mod_webdav_free) {
|
||||
plugin_data *p = p_d;
|
||||
|
||||
UNUSED(srv);
|
||||
|
||||
if (!p) return HANDLER_GO_ON;
|
||||
|
||||
if (p->config_storage) {
|
||||
size_t i;
|
||||
for (i = 0; i < srv->config_context->used; i++) {
|
||||
plugin_config *s = p->config_storage[i];
|
||||
|
||||
array_free(s->match);
|
||||
|
||||
free(s);
|
||||
}
|
||||
free(p->config_storage);
|
||||
}
|
||||
|
||||
buffer_free(p->tmp_buf);
|
||||
|
||||
free(p);
|
||||
|
||||
return HANDLER_GO_ON;
|
||||
}
|
||||
|
||||
/* handle plugin config and check values */
|
||||
|
||||
SETDEFAULTS_FUNC(mod_webdav_set_defaults) {
|
||||
plugin_data *p = p_d;
|
||||
size_t i = 0;
|
||||
|
||||
config_values_t cv[] = {
|
||||
{ "webdav.array", NULL, T_CONFIG_ARRAY, T_CONFIG_SCOPE_CONNECTION }, /* 0 */
|
||||
{ NULL, NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
|
||||
};
|
||||
|
||||
if (!p) return HANDLER_ERROR;
|
||||
|
||||
p->config_storage = calloc(1, srv->config_context->used * sizeof(specific_config *));
|
||||
|
||||
for (i = 0; i < srv->config_context->used; i++) {
|
||||
plugin_config *s;
|
||||
|
||||
s = calloc(1, sizeof(plugin_config));
|
||||
s->match = array_init();
|
||||
|
||||
cv[0].destination = s->match;
|
||||
|
||||
p->config_storage[i] = s;
|
||||
|
||||
if (0 != config_insert_values_global(srv, ((data_config *)srv->config_context->data[i])->value, cv)) {
|
||||
return HANDLER_ERROR;
|
||||
}
|
||||
}
|
||||
|
||||
return HANDLER_GO_ON;
|
||||
}
|
||||
|
||||
#define PATCH(x) \
|
||||
p->conf.x = s->x;
|
||||
static int mod_webdav_patch_connection(server *srv, connection *con, plugin_data *p) {
|
||||
size_t i, j;
|
||||
plugin_config *s = p->config_storage[0];
|
||||
|
||||
PATCH(match);
|
||||
|
||||
/* skip the first, the global context */
|
||||
for (i = 1; i < srv->config_context->used; i++) {
|
||||
data_config *dc = (data_config *)srv->config_context->data[i];
|
||||
s = p->config_storage[i];
|
||||
|
||||
/* condition didn't match */
|
||||
if (!config_check_cond(srv, con, dc)) continue;
|
||||
|
||||
/* merge config */
|
||||
for (j = 0; j < dc->value->used; j++) {
|
||||
data_unset *du = dc->value->data[j];
|
||||
|
||||
if (buffer_is_equal_string(du->key, CONST_STR_LEN("webdav.array"))) {
|
||||
PATCH(match);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
#undef PATCH
|
||||
|
||||
URIHANDLER_FUNC(mod_webdav_uri_handler) {
|
||||
plugin_data *p = p_d;
|
||||
|
||||
UNUSED(srv);
|
||||
|
||||
if (con->uri.path->used == 0) return HANDLER_GO_ON;
|
||||
|
||||
mod_webdav_patch_connection(srv, con, p);
|
||||
|
||||
switch (con->request.http_method) {
|
||||
case HTTP_METHOD_OPTIONS:
|
||||
response_header_overwrite(srv, con, CONST_STR_LEN("DAV"), CONST_STR_LEN("1,2"));
|
||||
response_header_overwrite(srv, con, CONST_STR_LEN("MS-Author-Via"), CONST_STR_LEN("DAV"));
|
||||
response_header_insert(srv, con, CONST_STR_LEN("Allow"), CONST_STR_LEN("PROPFIND"));
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
/* not found */
|
||||
return HANDLER_GO_ON;
|
||||
}
|
||||
|
||||
static int get_response_entry(server *srv, connection *con, plugin_data *p, buffer *b, const char *filename) {
|
||||
struct stat st;
|
||||
|
||||
buffer_append_string(b,"<D:response xmlns:ns0=\"urn:uuid:c2f41010-65b3-11d1-a29f-00aa00c14882/\">\n");
|
||||
|
||||
buffer_append_string(b,"<D:href>\n");
|
||||
buffer_append_string_buffer(b, con->uri.path);
|
||||
BUFFER_APPEND_SLASH(b);
|
||||
buffer_append_string(b, filename);
|
||||
buffer_append_string(b,"</D:href>\n");
|
||||
buffer_append_string(b,"<D:propstat>\n");
|
||||
/* we have to stat now */
|
||||
|
||||
buffer_copy_string_buffer(p->tmp_buf, con->physical.path);
|
||||
BUFFER_APPEND_SLASH(p->tmp_buf);
|
||||
buffer_append_string(p->tmp_buf, filename);
|
||||
|
||||
if (0 == stat(p->tmp_buf->ptr, &st)) {
|
||||
char ctime_buf[] = "2005-08-18T07:27:16Z";
|
||||
char mtime_buf[] = "Thu, 18 Aug 2005 07:27:16 GMT";
|
||||
size_t k;
|
||||
|
||||
buffer_append_string(b,"<D:prop>\n");
|
||||
if (S_ISDIR(st.st_mode)) {
|
||||
buffer_append_string(b, "<D:resourcetype><D:collection/></D:resourcetype>"
|
||||
"<D:getcontenttype>httpd/unix-directory</D:getcontenttype>\n");
|
||||
}
|
||||
|
||||
buffer_append_string(b, "<D:creationdate ns0:dt=\"dateTime.tz\">");
|
||||
strftime(ctime_buf, sizeof(ctime_buf), "%Y-%m-%dT%H:%M:%SZ", gmtime(&st.st_ctime));
|
||||
buffer_append_string(b, ctime_buf);
|
||||
buffer_append_string(b, "</D:creationdate>");
|
||||
|
||||
buffer_append_string(b,"<D:getlastmodified ns0:dt=\"dateTime.rfc1123\">");
|
||||
strftime(mtime_buf, sizeof(mtime_buf), "%a, %d %b %Y %H:%M:%S GMT", gmtime(&st.st_mtime));
|
||||
buffer_append_string(b, mtime_buf);
|
||||
buffer_append_string(b, "</D:getlastmodified>");
|
||||
|
||||
buffer_append_string(b,"<D:getcontentlength>");
|
||||
buffer_append_off_t(b, st.st_size);
|
||||
buffer_append_string(b, "</D:getcontentlength>");
|
||||
|
||||
buffer_append_string(b,"<D:getcontentlanguage>");
|
||||
buffer_append_string(b, "en");
|
||||
buffer_append_string(b, "</D:getcontentlanguage>");
|
||||
|
||||
for (k = 0; k < con->conf.mimetypes->used; k++) {
|
||||
data_string *ds = (data_string *)con->conf.mimetypes->data[k];
|
||||
|
||||
if (ds->key->used == 0) continue;
|
||||
|
||||
if (buffer_is_equal_right_len(p->tmp_buf, ds->key, ds->key->used - 1)) {
|
||||
buffer_append_string(b,"<D:contenttype>");
|
||||
buffer_append_string_buffer(b, ds->value);
|
||||
buffer_append_string(b, "</D:contenttype>");
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
buffer_append_string(b,"</D:prop>\n");
|
||||
|
||||
buffer_append_string(b,"<D:status>HTTP/1.1 200 OK</D:status>\n");
|
||||
} else {
|
||||
buffer_append_string(b,"<D:status>HTTP/1.1 404 Not Found</D:status>\n");
|
||||
}
|
||||
buffer_append_string(b,"</D:propstat>\n");
|
||||
|
||||
buffer_append_string(b,"</D:response>\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
URIHANDLER_FUNC(mod_webdav_subrequest_handler) {
|
||||
plugin_data *p = p_d;
|
||||
buffer *b;
|
||||
DIR *dir;
|
||||
data_string *ds;
|
||||
int depth = -1;
|
||||
|
||||
UNUSED(srv);
|
||||
|
||||
/* physical path is setup */
|
||||
if (con->physical.path->used == 0) return HANDLER_GO_ON;
|
||||
|
||||
switch (con->request.http_method) {
|
||||
case HTTP_METHOD_PROPFIND:
|
||||
/* they want to know the properties of the directory */
|
||||
if (NULL != (ds = (data_string *)array_get_element(con->request.headers, "Depth"))) {
|
||||
depth = strtol(ds->value->ptr, NULL, 10);
|
||||
}
|
||||
|
||||
con->http_status = 207;
|
||||
|
||||
response_header_overwrite(srv, con, CONST_STR_LEN("Content-Type"), CONST_STR_LEN("text/xml; charset=\"utf-8\""));
|
||||
|
||||
b = chunkqueue_get_append_buffer(con->write_queue);
|
||||
|
||||
buffer_copy_string(b,
|
||||
"<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
|
||||
|
||||
buffer_append_string(b,"<D:multistatus xmlns:D=\"DAV:\">\n");
|
||||
|
||||
switch(depth) {
|
||||
case 0:
|
||||
/* Depth: 0 */
|
||||
get_response_entry(srv, con, p, b, "");
|
||||
break;
|
||||
case 1:
|
||||
if (NULL != (dir = opendir(con->physical.path->ptr))) {
|
||||
struct dirent *de;
|
||||
|
||||
while(NULL != (de = readdir(dir))) {
|
||||
if (de->d_name[0] == '.' && de->d_name[1] == '\0') {
|
||||
/* ignore the currrent dir */
|
||||
} else {
|
||||
get_response_entry(srv, con, p, b, de->d_name);
|
||||
}
|
||||
}
|
||||
closedir(dir);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
buffer_append_string(b,"</D:multistatus>\n");
|
||||
|
||||
con->file_finished = 1;
|
||||
|
||||
return HANDLER_FINISHED;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
/* not found */
|
||||
return HANDLER_GO_ON;
|
||||
}
|
||||
|
||||
|
||||
/* this function is called at dlopen() time and inits the callbacks */
|
||||
|
||||
int mod_webdav_plugin_init(plugin *p) {
|
||||
p->version = LIGHTTPD_VERSION_ID;
|
||||
p->name = buffer_init_string("webdav");
|
||||
|
||||
p->init = mod_webdav_init;
|
||||
p->handle_uri_clean = mod_webdav_uri_handler;
|
||||
p->handle_physical = mod_webdav_subrequest_handler;
|
||||
p->set_defaults = mod_webdav_set_defaults;
|
||||
p->cleanup = mod_webdav_free;
|
||||
|
||||
p->data = NULL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in new issue