static void propfind_results_recursive(void *userdata,
const ne_uri *uri,
const ne_prop_result_set *set)
{
struct resource *newres = 0;
const char *clength, *modtime, *file_id = NULL;
const char *resourcetype = NULL;
const char *md5sum = NULL;
const ne_status *status = NULL;
char *path = ne_path_unescape( uri->path );
char *parentPath;
char *propfindRootUri = (char*) userdata;
propfind_recursive_element_t *element = NULL;
propfind_recursive_element_t *pElement = NULL;
int depth = 0;
(void) status;
(void) propfindRootUri;
if (!propfind_recursive_cache) {
c_rbtree_create(&propfind_recursive_cache, _key_cmp, _data_cmp);
}
/* Fill the resource structure with the data about the file */
newres = c_malloc(sizeof(struct resource));
ZERO_STRUCTP(newres);
newres->uri = path; /* no need to strdup because ne_path_unescape already allocates */
newres->name = c_basename( path );
modtime = ne_propset_value( set, &ls_props[0] );
clength = ne_propset_value( set, &ls_props[1] );
resourcetype = ne_propset_value( set, &ls_props[2] );
md5sum = ne_propset_value( set, &ls_props[3] );
file_id = ne_propset_value( set, &ls_props[4] );
newres->type = resr_normal;
if( resourcetype && strncmp( resourcetype, "<DAV:collection>", 16 ) == 0) {
newres->type = resr_collection;
propfind_recursive_cache_folder_count++;
} else {
/* DEBUG_WEBDAV("propfind_results_recursive %s [%d]", newres->uri, newres->type); */
propfind_recursive_cache_file_count++;
}
if (modtime) {
newres->modtime = oc_httpdate_parse(modtime);
}
/* DEBUG_WEBDAV("Parsing Modtime: %s -> %llu", modtime, (unsigned long long) newres->modtime ); */
newres->size = 0;
if (clength) {
newres->size = atoll(clength);
/* DEBUG_WEBDAV("Parsed File size for %s from %s: %lld", newres->name, clength, (long long)newres->size ); */
}
if( md5sum ) {
newres->md5 = csync_normalize_etag(md5sum);
}
csync_vio_set_file_id(newres->file_id, file_id);
/*
DEBUG_WEBDAV("propfind_results_recursive %s [%s] %s", newres->uri, newres->type == resr_collection ? "collection" : "file", newres->md5);
*/
/* Create new item in rb tree */
if (newres->type == resr_collection) {
DEBUG_WEBDAV("propfind_results_recursive %s is a folder", newres->uri);
/* Check if in rb tree */
element = c_rbtree_node_data(c_rbtree_find(propfind_recursive_cache,uri->path));
/* If not, create a new item and insert it */
if (!element) {
element = c_malloc(sizeof(propfind_recursive_element_t));
element->self = resource_dup(newres);
element->children = NULL;
element->parent = NULL;
c_rbtree_insert(propfind_recursive_cache, element);
/* DEBUG_WEBDAV("results_recursive Added collection %s", newres->uri); */
}
}
/* Check for parent in tree. If exists: Insert it into the children elements there */
parentPath = ne_path_parent(uri->path);
if (parentPath) {
propfind_recursive_element_t *parentElement = NULL;
parentElement = c_rbtree_node_data(c_rbtree_find(propfind_recursive_cache,parentPath));
free(parentPath);
if (parentElement) {
newres->next = parentElement->children;
parentElement->children = newres;
/* If the current result is a collection we also need to set its parent */
if (element)
element->parent = parentElement;
pElement = element;
while (pElement) {
depth++;
pElement = pElement->parent;
}
if (depth > propfind_recursive_cache_depth) {
DEBUG_WEBDAV("propfind_results_recursive %s new maximum tree depth %d", newres->uri, depth);
propfind_recursive_cache_depth = depth;
}
/* DEBUG_WEBDAV("results_recursive Added child %s to collection %s", newres->uri, element->self->uri); */
} else {
/* DEBUG_WEBDAV("results_recursive No parent %s found for child %s", parentPath, newres->uri); */
resource_free(newres);
newres = NULL;
}
}
}
/*
* result parsing list.
* This function is called to parse the result of the propfind request
* to list directories on the WebDAV server. I takes a single resource
* and fills a resource struct and stores it to the result list which
* is stored in the listdir_context.
*/
static void results(void *userdata,
const ne_uri *uri,
const ne_prop_result_set *set)
{
struct listdir_context *fetchCtx = userdata;
struct resource *newres = 0;
const char *clength, *modtime = NULL;
const char *resourcetype = NULL;
const char *md5sum = NULL;
const char *file_id = NULL;
const ne_status *status = NULL;
char *path = ne_path_unescape( uri->path );
(void) status;
if( ! fetchCtx ) {
DEBUG_WEBDAV("No valid fetchContext");
return;
}
if( ! fetchCtx->target ) {
DEBUG_WEBDAV("error: target must not be zero!" );
return;
}
/* Fill the resource structure with the data about the file */
newres = c_malloc(sizeof(struct resource));
ZERO_STRUCTP(newres);
newres->uri = path; /* no need to strdup because ne_path_unescape already allocates */
newres->name = c_basename( path );
modtime = ne_propset_value( set, &ls_props[0] );
clength = ne_propset_value( set, &ls_props[1] );
resourcetype = ne_propset_value( set, &ls_props[2] );
md5sum = ne_propset_value( set, &ls_props[3] );
file_id = ne_propset_value( set, &ls_props[4] );
newres->type = resr_normal;
if( clength == NULL && resourcetype && strncmp( resourcetype, "<DAV:collection>", 16 ) == 0) {
newres->type = resr_collection;
}
if (modtime) {
newres->modtime = oc_httpdate_parse(modtime);
}
/* DEBUG_WEBDAV("Parsing Modtime: %s -> %llu", modtime, (unsigned long long) newres->modtime ); */
newres->size = 0;
if (clength) {
newres->size = atoll(clength);
/* DEBUG_WEBDAV("Parsed File size for %s from %s: %lld", newres->name, clength, (long long)newres->size ); */
}
if( md5sum ) {
newres->md5 = csync_normalize_etag(md5sum);
}
csync_vio_set_file_id(newres->file_id, file_id);
/* prepend the new resource to the result list */
newres->next = fetchCtx->list;
fetchCtx->list = newres;
fetchCtx->result_count = fetchCtx->result_count + 1;
/* DEBUG_WEBDAV( "results for URI %s: %d %d", newres->name, (int)newres->size, (int)newres->type ); */
}
void fill_webdav_properties_into_resource(struct resource* newres, const ne_prop_result_set *set)
{
const char *clength, *modtime, *file_id = NULL;
const char *directDownloadUrl = NULL;
const char *directDownloadCookies = NULL;
const char *resourcetype = NULL;
const char *etag = NULL;
const char *perm = NULL;
modtime = ne_propset_value( set, &ls_props[0] );
clength = ne_propset_value( set, &ls_props[1] );
resourcetype = ne_propset_value( set, &ls_props[2] );
etag = ne_propset_value( set, &ls_props[3] );
file_id = ne_propset_value( set, &ls_props[4] );
directDownloadUrl = ne_propset_value( set, &ls_props[5] );
directDownloadCookies = ne_propset_value( set, &ls_props[6] );
perm = ne_propset_value( set, &ls_props[7] );
if( resourcetype && strncmp( resourcetype, "<DAV:collection>", 16 ) == 0) {
newres->type = resr_collection;
} else {
newres->type = resr_normal;
}
if (modtime) {
newres->modtime = oc_httpdate_parse(modtime);
}
/* DEBUG_WEBDAV("Parsing Modtime: %s -> %llu", modtime, (unsigned long long) newres->modtime ); */
newres->size = 0;
if (clength) {
newres->size = atoll(clength);
/* DEBUG_WEBDAV("Parsed File size for %s from %s: %lld", newres->name, clength, (long long)newres->size ); */
}
if( etag ) {
newres->md5 = csync_normalize_etag(etag);
}
csync_vio_set_file_id(newres->file_id, file_id);
/*
DEBUG_WEBDAV("propfind_results_recursive %s [%s] %s", newres->uri, newres->type == resr_collection ? "collection" : "file", newres->md5);
*/
if (directDownloadUrl) {
newres->directDownloadUrl = c_strdup(directDownloadUrl);
}
if (directDownloadCookies) {
newres->directDownloadCookies = c_strdup(directDownloadCookies);
}
if (perm && strlen(perm) < sizeof(newres->remotePerm)) {
strncpy(newres->remotePerm, perm, sizeof(newres->remotePerm));
} else if (perm && strlen(perm) == 0) {
// special meaning for our code: server returned permissions but are empty
// meaning only reading is allowed for this resource
newres->remotePerm[0] = ' ';
// see _csync_detect_update()
} else {
// old server, keep NULL in newres->remotePerm
}
}
static const char* owncloud_get_etag( const char *path )
{
ne_request *req = NULL;
const char *header = NULL;
char *uri = _cleanPath(path);
char *cbuf = NULL;
csync_vio_file_stat_t *fs = NULL;
bool doHeadRequest = false;
if (_id_cache.uri && c_streq(path, _id_cache.uri)) {
header = _id_cache.id;
}
doHeadRequest= false; /* ownCloud server doesn't have good support for HEAD yet */
if( !header && doHeadRequest ) {
int neon_stat;
/* Perform an HEAD request to the resource. HEAD delivers the
* ETag header back. */
req = ne_request_create(dav_session.ctx, "HEAD", uri);
neon_stat = ne_request_dispatch(req);
set_errno_from_neon_errcode( neon_stat );
header = ne_get_response_header(req, "etag");
}
/* If the request went wrong or the server did not respond correctly
* (that can happen for collections) a stat call is done which translates
* into a PROPFIND request.
*/
if( ! header ) {
/* ... and do a stat call. */
fs = csync_vio_file_stat_new();
if(fs == NULL) {
DEBUG_WEBDAV( "owncloud_get_etag: memory fault.");
errno = ENOMEM;
return NULL;
}
if( owncloud_stat( path, fs ) == 0 ) {
header = fs->etag;
}
}
/* In case the result is surrounded by "" cut them away. */
if( header ) {
cbuf = csync_normalize_etag(header);
}
/* fix server problem: If we end up with an empty string, set something strange... */
if( c_streq(cbuf, "") || c_streq(cbuf, "\"\"") ) {
SAFE_FREE(cbuf);
cbuf = c_strdup("empty_etag");
}
DEBUG_WEBDAV("Get file ID for %s: %s", path, cbuf ? cbuf:"<null>");
if( fs ) csync_vio_file_stat_destroy(fs);
if( req ) ne_request_destroy(req);
SAFE_FREE(uri);
return cbuf;
}
