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upload-file.c
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upload-file.c
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#include "common.h"
#define DEBUG_FLAG SEAFILE_DEBUG_HTTP
#include "log.h"
#include <getopt.h>
#include <fcntl.h>
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
#include <event2/event.h>
#else
#include <event.h>
#endif
#include <evhtp.h>
#include <jansson.h>
#include <pthread.h>
#include "seafile-object.h"
#include "utils.h"
#include "seafile-session.h"
#include "upload-file.h"
#include "http-status-codes.h"
#include "seafile-error.h"
enum RecvState {
RECV_INIT,
RECV_HEADERS,
RECV_CONTENT,
RECV_ERROR,
};
enum UploadError {
ERROR_FILENAME,
ERROR_EXISTS,
ERROR_NOT_EXIST,
ERROR_SIZE,
ERROR_QUOTA,
ERROR_RECV,
ERROR_BLOCK_MISSING,
ERROR_INTERNAL,
};
typedef struct Progress {
gint64 uploaded;
gint64 size;
} Progress;
typedef struct RecvFSM {
int state;
char *repo_id;
char *user;
char *boundary; /* boundary of multipart form-data. */
char *input_name; /* input name of the current form field. */
evbuf_t *line; /* buffer for a line */
GHashTable *form_kvs; /* key/value of form fields */
GList *filenames; /* uploaded file names */
GList *files; /* paths for completely uploaded tmp files. */
gboolean recved_crlf; /* Did we recv a CRLF when write out the last line? */
char *file_name;
char *tmp_file;
int fd;
GList *tmp_files; /* tmp files for each uploading file */
/* For upload progress. */
char *progress_id;
Progress *progress;
} RecvFSM;
#define MAX_CONTENT_LINE 10240
static GHashTable *upload_progress;
static pthread_mutex_t pg_lock;
/* IE8 will set filename to the full path of the uploaded file.
* So we need to strip out the basename from it.
*/
static char *
get_basename (const char *path)
{
int i = strlen(path) - 1;
while (i >= 0) {
if (path[i] == '/' || path[i] == '\\')
break;
--i;
}
if (i < 0)
return g_strdup(path);
return g_strdup(&path[i+1]);
}
/* It's a bug of libevhtp that it doesn't set Content-Length automatically
* in response to a multipart request.
* Just add it in our code.
*/
static void
set_content_length_header (evhtp_request_t *req)
{
char lstr[128];
#ifdef WIN32
snprintf(lstr, sizeof(lstr), "%lu", (unsigned long)(evbuffer_get_length(req->buffer_out)));
#else
snprintf(lstr, sizeof(lstr), "%zu", evbuffer_get_length(req->buffer_out));
#endif
evhtp_headers_add_header(req->headers_out,
evhtp_header_new("Content-Length", lstr, 1, 1));
}
static gint64
get_content_length (evhtp_request_t *req)
{
const char *content_len_str = evhtp_kv_find (req->headers_in, "Content-Length");
if (!content_len_str) {
return -1;
}
return strtoll (content_len_str, NULL, 10);
}
static void
send_error_reply (evhtp_request_t *req, evhtp_res code, char *error)
{
if (error)
evbuffer_add_printf (req->buffer_out, "{\"error\": \"%s\"}", error);
set_content_length_header (req);
evhtp_headers_add_header (
req->headers_out,
evhtp_header_new("Content-Type", "application/json; charset=utf-8", 1, 1));
evhtp_send_reply (req, code);
}
static void
send_success_reply (evhtp_request_t *req)
{
set_content_length_header (req);
evhtp_headers_add_header (
req->headers_out,
evhtp_header_new("Content-Type", "application/json; charset=utf-8", 1, 1));
evhtp_send_reply (req, EVHTP_RES_OK);
}
static void
send_redirect_reply (evhtp_request_t *req)
{
set_content_length_header (req);
evhtp_headers_add_header (
req->headers_out,
evhtp_header_new("Content-Type", "text/html; charset=utf-8", 1, 1));
evhtp_send_reply(req, EVHTP_RES_SEEOTHER);
}
static void
redirect_to_upload_error (evhtp_request_t *req,
const char *repo_id,
const char *parent_dir,
const char *filename,
int error_code)
{
char *seahub_url, *escaped_path, *escaped_fn = NULL;
char url[1024];
seahub_url = seaf->session->base.service_url;
escaped_path = g_uri_escape_string (parent_dir, NULL, FALSE);
if (filename) {
escaped_fn = g_uri_escape_string (filename, NULL, FALSE);
snprintf(url, 1024, "%s/repo/upload_error/%s?p=%s&fn=%s&err=%d",
seahub_url, repo_id, escaped_path, escaped_fn, error_code);
} else {
snprintf(url, 1024, "%s/repo/upload_error/%s?p=%s&err=%d",
seahub_url, repo_id, escaped_path, error_code);
}
g_free (escaped_path);
g_free (escaped_fn);
evhtp_headers_add_header(req->headers_out,
evhtp_header_new("Location",
url, 1, 1));
send_redirect_reply (req);
}
static void
redirect_to_update_error (evhtp_request_t *req,
const char *repo_id,
const char *target_file,
int error_code)
{
char *seahub_url, *escaped_path;
char url[1024];
seahub_url = seaf->session->base.service_url;
escaped_path = g_uri_escape_string (target_file, NULL, FALSE);
snprintf(url, 1024, "%s/repo/update_error/%s?p=%s&err=%d",
seahub_url, repo_id, escaped_path, error_code);
g_free (escaped_path);
evhtp_headers_add_header(req->headers_out,
evhtp_header_new("Location",
url, 1, 1));
send_redirect_reply (req);
}
static void
redirect_to_success_page (evhtp_request_t *req,
const char *repo_id,
const char *parent_dir)
{
char *seahub_url, *escaped_path;
char url[1024];
seahub_url = seaf->session->base.service_url;
escaped_path = g_uri_escape_string (parent_dir, NULL, FALSE);
snprintf(url, 1024, "%s/repo/%s?p=%s", seahub_url, repo_id, escaped_path);
g_free (escaped_path);
evhtp_headers_add_header(req->headers_out,
evhtp_header_new("Location",
url, 1, 1));
/* Firefox expects Content-Length header. */
send_redirect_reply (req);
}
static gboolean
check_tmp_file_list (GList *tmp_files, int *error_code)
{
GList *ptr;
char *tmp_file;
SeafStat st;
gint64 total_size = 0;
gint64 max_upload_size;
for (ptr = tmp_files; ptr; ptr = ptr->next) {
tmp_file = ptr->data;
if (seaf_stat (tmp_file, &st) < 0) {
seaf_warning ("[upload] Failed to stat temp file %s.\n", tmp_file);
*error_code = ERROR_RECV;
return FALSE;
}
total_size += (gint64)st.st_size;
}
/* default is MB */
max_upload_size = seaf_cfg_manager_get_config_int64 (seaf->cfg_mgr, "fileserver",
"max_upload_size");
if (max_upload_size > 0)
max_upload_size = max_upload_size * ((gint64)1 << 20);
else
max_upload_size = -1;
if (max_upload_size > 0 && total_size > max_upload_size) {
seaf_debug ("[upload] File size is too large.\n");
*error_code = ERROR_SIZE;
return FALSE;
}
return TRUE;
}
static char *
get_canonical_path (const char *path)
{
char *ret = g_strdup (path);
char *p;
for (p = ret; *p != 0; ++p) {
if (*p == '\\')
*p = '/';
}
/* Remove trailing slashes from dir path. */
int len = strlen(ret);
int i = len - 1;
while (i >= 0 && ret[i] == '/')
ret[i--] = 0;
return ret;
}
static gboolean
check_parent_dir (evhtp_request_t *req, const char *repo_id,
const char *parent_dir)
{
char *canon_path = NULL;
SeafRepo *repo = NULL;
SeafCommit *commit = NULL;
SeafDir *dir = NULL;
GError *error = NULL;
gboolean ret = TRUE;
repo = seaf_repo_manager_get_repo (seaf->repo_mgr, repo_id);
if (!repo) {
seaf_warning ("[upload] Failed to get repo %.8s.\n", repo_id);
send_error_reply (req, EVHTP_RES_SERVERR, "Failed to get repo.\n");
return FALSE;
}
commit = seaf_commit_manager_get_commit (seaf->commit_mgr,
repo->id, repo->version,
repo->head->commit_id);
if (!commit) {
seaf_warning ("[upload] Failed to get head commit for repo %.8s.\n", repo_id);
send_error_reply (req, EVHTP_RES_SERVERR, "Failed to get head commit.\n");
seaf_repo_unref (repo);
return FALSE;
}
canon_path = get_canonical_path (parent_dir);
dir = seaf_fs_manager_get_seafdir_by_path (seaf->fs_mgr,
repo->store_id, repo->version,
commit->root_id,
canon_path, &error);
if (dir) {
seaf_dir_free (dir);
} else {
send_error_reply (req, EVHTP_RES_BADREQ, "Parent dir doesn't exist.\n");
ret = FALSE;
}
g_clear_error (&error);
g_free (canon_path);
seaf_commit_unref (commit);
seaf_repo_unref (repo);
return ret;
}
static char *
file_list_to_json (GList *files)
{
json_t *array;
GList *ptr;
char *file;
char *json_data;
char *ret;
array = json_array ();
for (ptr = files; ptr; ptr = ptr->next) {
file = ptr->data;
json_array_append_new (array, json_string(file));
}
json_data = json_dumps (array, 0);
json_decref (array);
ret = g_strdup (json_data);
free (json_data);
return ret;
}
static int
create_relative_path (RecvFSM *fsm, char *parent_dir, char **abs_path)
{
int rc = 0;
GError *error = NULL;
char *relative_path = g_hash_table_lookup (fsm->form_kvs, "relative_path");
if (relative_path != NULL && strcmp(relative_path, "") != 0) {
rc = seaf_repo_manager_mkdir_with_parents (seaf->repo_mgr,
fsm->repo_id,
parent_dir,
relative_path,
fsm->user,
&error);
if (rc < 0) {
if (error) {
seaf_warning ("[upload folder] %s.", error->message);
g_clear_error (&error);
}
goto out;
}
*abs_path = g_new0 (char, SEAF_PATH_MAX);
if (!*abs_path) {
rc = -1;
goto out;
}
strcat (*abs_path, parent_dir);
strcat (*abs_path, relative_path);
}
out:
return rc;
}
static void
upload_cb(evhtp_request_t *req, void *arg)
{
RecvFSM *fsm = arg;
char *parent_dir;
GError *error = NULL;
int error_code = ERROR_INTERNAL;
char *err_file = NULL;
char *filenames_json, *tmp_files_json;
/* After upload_headers_cb() returns an error, libevhtp may still
* receive data from the web browser and call into this cb.
* In this case fsm will be NULL.
*/
if (!fsm || fsm->state == RECV_ERROR)
return;
if (!fsm->files) {
seaf_debug ("[upload] No file uploaded.\n");
send_error_reply (req, EVHTP_RES_BADREQ, "No file.\n");
return;
}
parent_dir = g_hash_table_lookup (fsm->form_kvs, "parent_dir");
if (!parent_dir) {
seaf_debug ("[upload] No parent dir given.\n");
send_error_reply (req, EVHTP_RES_BADREQ, "Invalid URL.\n");
return;
}
if (!check_parent_dir (req, fsm->repo_id, parent_dir))
return;
if (!check_tmp_file_list (fsm->files, &error_code))
goto error;
gint64 content_len = get_content_length(req);
if (seaf_quota_manager_check_quota_with_delta (seaf->quota_mgr,
fsm->repo_id,
content_len) != 0) {
error_code = ERROR_QUOTA;
goto error;
}
filenames_json = file_list_to_json (fsm->filenames);
tmp_files_json = file_list_to_json (fsm->files);
int rc = seaf_repo_manager_post_multi_files (seaf->repo_mgr,
fsm->repo_id,
parent_dir,
filenames_json,
tmp_files_json,
fsm->user,
0,
NULL,
&error);
g_free (filenames_json);
g_free (tmp_files_json);
if (rc < 0) {
if (error) {
if (error->code == POST_FILE_ERR_FILENAME) {
error_code = ERROR_FILENAME;
err_file = g_strdup(error->message);
}
g_clear_error (&error);
}
goto error;
}
/* Redirect to repo dir page after upload finishes. */
redirect_to_success_page (req, fsm->repo_id, parent_dir);
return;
error:
redirect_to_upload_error (req, fsm->repo_id, parent_dir,
err_file, error_code);
g_free (err_file);
}
static char *
file_id_list_from_json (const char *ret_json)
{
json_t *array, *obj, *value;
json_error_t err;
size_t index;
GString *id_list;
array = json_loadb (ret_json, strlen(ret_json), 0, &err);
if (!array) {
seaf_warning ("Failed to load ret_json: %s.\n", err.text);
return NULL;
}
id_list = g_string_new (NULL);
size_t n = json_array_size (array);
for (index = 0; index < n; index++) {
obj = json_array_get (array, index);
value = json_object_get (obj, "id");
const char *id = json_string_value (value);
g_string_append (id_list, id);
if (index != n - 1)
g_string_append (id_list, "\t");
}
json_decref (array);
return g_string_free (id_list, FALSE);
}
static void
upload_api_cb(evhtp_request_t *req, void *arg)
{
RecvFSM *fsm = arg;
char *parent_dir, *replace_str;
GError *error = NULL;
int error_code = ERROR_INTERNAL;
char *filenames_json, *tmp_files_json;
int replace = 0;
if (evhtp_request_get_method(req) == htp_method_OPTIONS) {
/* If CORS preflight header, then create an empty body response (200 OK)
* and return it.
*/
send_success_reply (req);
return;
}
/* After upload_headers_cb() returns an error, libevhtp may still
* receive data from the web browser and call into this cb.
* In this case fsm will be NULL.
*/
if (!fsm || fsm->state == RECV_ERROR)
return;
if (!fsm->files) {
seaf_debug ("[upload] No file uploaded.\n");
send_error_reply (req, EVHTP_RES_BADREQ, "No file.\n");
return;
}
replace_str = g_hash_table_lookup (fsm->form_kvs, "replace");
if (replace_str) {
replace = atoi(replace_str);
if (replace != 0 && replace != 1) {
seaf_debug ("[Upload] Invalid argument replace: %s.\n", replace_str);
send_error_reply (req, EVHTP_RES_BADREQ, "Invalid argument.\n");
return;
}
}
parent_dir = g_hash_table_lookup (fsm->form_kvs, "parent_dir");
if (!parent_dir) {
seaf_debug ("[upload] No parent dir given.\n");
send_error_reply (req, EVHTP_RES_BADREQ, "Invalid URL.\n");
return;
}
if (!check_parent_dir (req, fsm->repo_id, parent_dir))
return;
if (!check_tmp_file_list (fsm->files, &error_code))
goto error;
gint64 content_len = get_content_length(req);
if (seaf_quota_manager_check_quota_with_delta (seaf->quota_mgr,
fsm->repo_id,
content_len) != 0) {
error_code = ERROR_QUOTA;
goto error;
}
filenames_json = file_list_to_json (fsm->filenames);
tmp_files_json = file_list_to_json (fsm->files);
char *ret_json = NULL;
int rc = seaf_repo_manager_post_multi_files (seaf->repo_mgr,
fsm->repo_id,
parent_dir,
filenames_json,
tmp_files_json,
fsm->user,
replace,
&ret_json,
&error);
g_free (filenames_json);
g_free (tmp_files_json);
if (rc < 0) {
if (error) {
if (error->code == POST_FILE_ERR_FILENAME) {
error_code = ERROR_FILENAME;
}
g_clear_error (&error);
}
goto error;
}
const char *use_json = evhtp_kv_find (req->uri->query, "ret-json");
if (use_json) {
evbuffer_add (req->buffer_out, ret_json, strlen(ret_json));
} else {
char *new_ids = file_id_list_from_json (ret_json);
if (new_ids)
evbuffer_add (req->buffer_out, new_ids, strlen(new_ids));
g_free (new_ids);
}
g_free (ret_json);
send_success_reply (req);
return;
error:
switch (error_code) {
case ERROR_FILENAME:
send_error_reply (req, SEAF_HTTP_RES_BADFILENAME, "Invalid filename.\n");
break;
case ERROR_EXISTS:
send_error_reply (req, SEAF_HTTP_RES_EXISTS, "File already exists.\n");
break;
case ERROR_SIZE:
send_error_reply (req, SEAF_HTTP_RES_TOOLARGE, "File size is too large.\n");
break;
case ERROR_QUOTA:
send_error_reply (req, SEAF_HTTP_RES_NOQUOTA, "Out of quota.\n");
break;
case ERROR_RECV:
case ERROR_INTERNAL:
send_error_reply (req, EVHTP_RES_SERVERR, "Internal error\n");
break;
}
}
static void
upload_raw_blks_api_cb(evhtp_request_t *req, void *arg)
{
RecvFSM *fsm = arg;
GError *error = NULL;
int error_code = ERROR_INTERNAL;
char *blockids_json, *tmp_files_json;
/* After upload_headers_cb() returns an error, libevhtp may still
* receive data from the web browser and call into this cb.
* In this case fsm will be NULL.
*/
if (!fsm || fsm->state == RECV_ERROR)
return;
if (!check_tmp_file_list (fsm->files, &error_code))
goto error;
blockids_json = file_list_to_json (fsm->filenames);
tmp_files_json = file_list_to_json (fsm->files);
int rc = seaf_repo_manager_post_blocks (seaf->repo_mgr,
fsm->repo_id,
blockids_json,
tmp_files_json,
fsm->user,
&error);
g_free (blockids_json);
g_free (tmp_files_json);
if (rc < 0) {
if (error) {
if (error->code == POST_FILE_ERR_FILENAME) {
error_code = ERROR_FILENAME;
}
g_clear_error (&error);
}
goto error;
}
evbuffer_add (req->buffer_out, "\"OK\"", 4);
send_success_reply (req);
return;
error:
switch (error_code) {
case ERROR_FILENAME:
send_error_reply (req, SEAF_HTTP_RES_BADFILENAME, "Invalid filename.\n");
break;
case ERROR_EXISTS:
send_error_reply (req, SEAF_HTTP_RES_EXISTS, "File already exists.\n");
break;
case ERROR_SIZE:
send_error_reply (req, SEAF_HTTP_RES_TOOLARGE, "File size is too large.\n");
break;
case ERROR_QUOTA:
send_error_reply (req, SEAF_HTTP_RES_NOQUOTA, "Out of quota.\n");
break;
case ERROR_RECV:
case ERROR_INTERNAL:
send_error_reply (req, EVHTP_RES_SERVERR, "Internal error.\n");
break;
}
}
static void
upload_blks_api_cb(evhtp_request_t *req, void *arg)
{
RecvFSM *fsm = arg;
const char *parent_dir, *file_name, *size_str, *replace_str, *commitonly_str;
GError *error = NULL;
int error_code = ERROR_INTERNAL;
char *blockids_json, *tmp_files_json;
gint64 file_size = -1;
int replace = 0;
/* After upload_headers_cb() returns an error, libevhtp may still
* receive data from the web browser and call into this cb.
* In this case fsm will be NULL.
*/
if (!fsm || fsm->state == RECV_ERROR)
return;
replace_str = g_hash_table_lookup (fsm->form_kvs, "replace");
if (replace_str) {
replace = atoi(replace_str);
if (replace != 0 && replace != 1) {
seaf_debug ("[Upload-blks] Invalid argument replace: %s.\n", replace_str);
send_error_reply (req, EVHTP_RES_BADREQ, "Invalid argument.\n");
return;
}
}
parent_dir = g_hash_table_lookup (fsm->form_kvs, "parent_dir");
file_name = g_hash_table_lookup (fsm->form_kvs, "file_name");
size_str = g_hash_table_lookup (fsm->form_kvs, "file_size");
if (size_str)
file_size = atoll(size_str);
if (!file_name || !parent_dir || !size_str || file_size < 0) {
seaf_debug ("[upload-blks] No parent dir or file name given.\n");
send_error_reply (req, EVHTP_RES_BADREQ, "Invalid URL.\n");
return;
}
if (!check_parent_dir (req, fsm->repo_id, parent_dir))
return;
char *new_file_id = NULL;
int rc = 0;
commitonly_str = evhtp_kv_find (req->uri->query, "commitonly");
if (!commitonly_str) {
gint64 content_len = get_content_length (req);
if (seaf_quota_manager_check_quota_with_delta (seaf->quota_mgr,
fsm->repo_id,
content_len) != 0) {
error_code = ERROR_QUOTA;
goto error;
}
if (!check_tmp_file_list (fsm->files, &error_code))
goto error;
blockids_json = file_list_to_json (fsm->filenames);
tmp_files_json = file_list_to_json (fsm->files);
rc = seaf_repo_manager_post_file_blocks (seaf->repo_mgr,
fsm->repo_id,
parent_dir,
file_name,
blockids_json,
tmp_files_json,
fsm->user,
file_size,
replace,
&new_file_id,
&error);
g_free (blockids_json);
g_free (tmp_files_json);
} else {
blockids_json = g_hash_table_lookup (fsm->form_kvs, "blockids");
if (blockids_json == NULL) {
seaf_debug ("[upload-blks] No blockids given.\n");
send_error_reply (req, EVHTP_RES_BADREQ, "Invalid URL.\n");
return;
}
rc = seaf_repo_manager_commit_file_blocks (seaf->repo_mgr,
fsm->repo_id,
parent_dir,
file_name,
blockids_json,
fsm->user,
file_size,
replace,
&new_file_id,
&error);
}
if (rc < 0) {
if (error) {
if (error->code == POST_FILE_ERR_FILENAME) {
error_code = ERROR_FILENAME;
} else if (error->code == POST_FILE_ERR_BLOCK_MISSING) {
error_code = ERROR_BLOCK_MISSING;
} else if (error->code == POST_FILE_ERR_QUOTA_FULL) {
error_code = ERROR_QUOTA;
}
g_clear_error (&error);
}
goto error;
}
const char *use_json = evhtp_kv_find (req->uri->query, "ret-json");
if (use_json) {
json_t *json = json_object ();
json_object_set_string_member(json, "id", new_file_id);
char *json_data = json_dumps (json, 0);
evbuffer_add (req->buffer_out, json_data, strlen(json_data));
json_decref (json);
free (json_data);
} else {
evbuffer_add (req->buffer_out, "\"", 1);
evbuffer_add (req->buffer_out, new_file_id, strlen(new_file_id));
evbuffer_add (req->buffer_out, "\"", 1);
}
g_free (new_file_id);
send_success_reply (req);
return;
error:
switch (error_code) {
case ERROR_FILENAME:
send_error_reply (req, SEAF_HTTP_RES_BADFILENAME, "Invalid filename.\n");
break;
case ERROR_EXISTS:
send_error_reply (req, SEAF_HTTP_RES_EXISTS, "File already exists.\n");
break;
case ERROR_SIZE:
send_error_reply (req, SEAF_HTTP_RES_TOOLARGE, "File size is too large.\n");
break;
case ERROR_QUOTA:
send_error_reply (req, SEAF_HTTP_RES_NOQUOTA, "Out of quota.\n");
break;
case ERROR_BLOCK_MISSING:
send_error_reply (req, SEAF_HTTP_RES_BLOCK_MISSING, "Block missing.\n");
break;
case ERROR_RECV:
case ERROR_INTERNAL:
send_error_reply (req, EVHTP_RES_SERVERR, "Internal error.\n");
break;
}
}
static void
upload_blks_ajax_cb(evhtp_request_t *req, void *arg)
{
RecvFSM *fsm = arg;
char *parent_dir, *file_name, *size_str;
GError *error = NULL;
int error_code = ERROR_INTERNAL;
char *blockids_json, *tmp_files_json;
gint64 file_size = -1;
evhtp_headers_add_header (req->headers_out,
evhtp_header_new("Access-Control-Allow-Headers",
"x-requested-with, content-type, accept, origin, authorization", 1, 1));
evhtp_headers_add_header (req->headers_out,
evhtp_header_new("Access-Control-Allow-Methods",
"GET, POST, PUT, PATCH, DELETE, OPTIONS", 1, 1));
evhtp_headers_add_header (req->headers_out,
evhtp_header_new("Access-Control-Allow-Origin",
"*", 1, 1));
evhtp_headers_add_header (req->headers_out,
evhtp_header_new("Access-Control-Max-Age",
"86400", 1, 1));
if (evhtp_request_get_method(req) == htp_method_OPTIONS) {
/* If CORS preflight header, then create an empty body response (200 OK)
* and return it.
*/
send_success_reply (req);
return;
}
/* After upload_headers_cb() returns an error, libevhtp may still
* receive data from the web browser and call into this cb.
* In this case fsm will be NULL.
*/
if (!fsm || fsm->state == RECV_ERROR)
return;
parent_dir = g_hash_table_lookup (fsm->form_kvs, "parent_dir");
file_name = g_hash_table_lookup (fsm->form_kvs, "file_name");
size_str = g_hash_table_lookup (fsm->form_kvs, "file_size");
if (size_str)
file_size = atoll(size_str);
if (!file_name || !parent_dir || !size_str || file_size < 0) {
seaf_debug ("[upload-blks] No parent dir or file name given.\n");
send_error_reply (req, EVHTP_RES_BADREQ, "Invalid URL.\n");
return;
}
if (!check_parent_dir (req, fsm->repo_id, parent_dir))
return;
if (!check_tmp_file_list (fsm->files, &error_code))
goto error;
gint64 content_len = get_content_length (req);
if (seaf_quota_manager_check_quota_with_delta (seaf->quota_mgr,
fsm->repo_id,
content_len) != 0) {
error_code = ERROR_QUOTA;
goto error;
}
blockids_json = file_list_to_json (fsm->filenames);
tmp_files_json = file_list_to_json (fsm->files);
int rc = seaf_repo_manager_post_file_blocks (seaf->repo_mgr,
fsm->repo_id,
parent_dir,
file_name,
blockids_json,
tmp_files_json,
fsm->user,
file_size,
0,
NULL,
&error);
g_free (blockids_json);
g_free (tmp_files_json);
if (rc < 0) {
if (error) {
if (error->code == POST_FILE_ERR_FILENAME) {
error_code = ERROR_FILENAME;
}
g_clear_error (&error);
}
goto error;
}
send_success_reply (req);
return;
error:
switch (error_code) {
case ERROR_FILENAME:
send_error_reply (req, SEAF_HTTP_RES_BADFILENAME, "Invalid filename.");
break;
case ERROR_EXISTS:
send_error_reply (req, SEAF_HTTP_RES_EXISTS, "File already exists.");
break;
case ERROR_SIZE:
send_error_reply (req, SEAF_HTTP_RES_TOOLARGE, "File size is too large.");
break;
case ERROR_QUOTA:
send_error_reply (req, SEAF_HTTP_RES_NOQUOTA, "Out of quota.");
break;
case ERROR_RECV:
case ERROR_INTERNAL:
send_error_reply (req, EVHTP_RES_SERVERR, "Internal error.\n");
break;
}
}
/*
Handle AJAX file upload.
@return an array of json data, e.g. [{"name": "foo.txt"}]
*/
static void
upload_ajax_cb(evhtp_request_t *req, void *arg)
{
RecvFSM *fsm = arg;
char *parent_dir;
GError *error = NULL;
int error_code = ERROR_INTERNAL;
char *filenames_json, *tmp_files_json;
int rc;
evhtp_headers_add_header (req->headers_out,
evhtp_header_new("Access-Control-Allow-Headers",
"x-requested-with, content-type, accept, origin, authorization", 1, 1));
evhtp_headers_add_header (req->headers_out,
evhtp_header_new("Access-Control-Allow-Methods",
"GET, POST, PUT, PATCH, DELETE, OPTIONS", 1, 1));
evhtp_headers_add_header (req->headers_out,
evhtp_header_new("Access-Control-Allow-Origin",
"*", 1, 1));
evhtp_headers_add_header (req->headers_out,
evhtp_header_new("Access-Control-Max-Age",
"86400", 1, 1));
if (evhtp_request_get_method(req) == htp_method_OPTIONS) {
/* If CORS preflight header, then create an empty body response (200 OK)
* and return it.
*/
send_success_reply (req);
return;
}
/* After upload_headers_cb() returns an error, libevhtp may still
* receive data from the web browser and call into this cb.
* In this case fsm will be NULL.
*/
if (!fsm || fsm->state == RECV_ERROR)
return;
if (!fsm->files) {
seaf_debug ("[upload] No file uploaded.\n");
send_error_reply (req, EVHTP_RES_BADREQ, "No file.\n");
return;
}