// Handles an upload parameter. If the user didn't select a file, it calls the
// regular porter_handle_parameter function. For uploads it appends several
// sub-parameters:
//
// * filename: File name that the user has uploaded.
// * content_type: The content type the browser has provided (sometimes not present).
// * path: The location of the tempfile where the contents were copied to.
// * signature: A base64 encoded SHA1 hash of the filename and the PorterSharedSecret.
apr_status_t porter_handle_upload(porter_upload_request_t *ur, apreq_param_t *p)
{
const char *content_disposition;
const char *file_name;
const char *content_type;
const char *signature;
apr_size_t size;
apr_status_t rv;
apr_finfo_t finfo;
apr_pool_t *pool = ur->pool;
char *escaped_key = apreq_escape(pool, p->v.name, strlen(p->v.name));
apr_table_t *info = p->info;
PORTER_LOG("Handling Upload");
PORTER_LOG(p->v.name);
porter_server_conf *config = (porter_server_conf *)ap_get_module_config(ur->raw_request->server->module_config, &porter_module);
content_disposition = apr_table_get(info, "content-disposition");
apreq_header_attribute(content_disposition, "filename", 8, &file_name, &size);
if (size == 0)
{
// There was no file, or at least it had no name, so let's
// just skip it.
PORTER_LOG("Appears there was no file, skipping the parameter");
return APR_SUCCESS;
}
PORTER_LOG("Appears there was a file, continuing");
// We know we have a file so push the param name into the array
// of parameter names so it can be added to the request header.
*(const char**)apr_array_push(ur->param_names) = p->v.name;
PORTER_HANDLE_ERROR(porter_append_sub_parameter(pool, ur->bucket_brigade, escaped_key, "filename", file_name, size));
// content type is optional, and safari doesn't send it if it's unsure.
content_type = apr_table_get(info, "content-type");
if (content_type)
{
PORTER_HANDLE_ERROR(porter_append_sub_parameter(pool, ur->bucket_brigade, escaped_key, "content_type", content_type, strlen(content_type)));
}
// Write the actual upload to disk
PORTER_HANDLE_ERROR(porter_stream_file_to_disk(pool, p, &finfo, config->directory));
// Set appropriate tempfile permissions
PORTER_HANDLE_ERROR(apr_file_perms_set(finfo.fname, config->permission));
PORTER_HANDLE_ERROR(porter_append_sub_parameter(pool, ur->bucket_brigade, escaped_key, "path", finfo.fname, strlen(finfo.fname)));
signature = porter_sign_filename(ur, &finfo);
PORTER_HANDLE_ERROR(porter_append_sub_parameter(pool, ur->bucket_brigade, escaped_key, "signature", signature, strlen(signature)));
return APR_SUCCESS;
}
static void test_header_attribute(dAT)
{
const char hdr[] = "filename=\"filename=foo\" filename=\"quux.txt\"";
const char *val;
apr_size_t vlen;
AT_int_eq(apreq_header_attribute(hdr+4, "name", 4, &val, &vlen),
APR_SUCCESS);
AT_int_eq(vlen, 12);
AT_mem_eq("filename=foo", val, 12);
AT_int_eq(apreq_header_attribute(hdr+4, "filename", 8, &val, &vlen),
APR_SUCCESS);
AT_int_eq(vlen, 8);
AT_mem_eq("quux.txt", val, 8);
}
static void header_attributes(dAT)
{
const char *hdr = "text/plain; boundary=\"-foo-\", charset=ISO-8859-1";
const char *val;
apr_size_t vlen;
apr_status_t s;
s = apreq_header_attribute(hdr, "none", 4, &val, &vlen);
AT_int_eq(s, APREQ_ERROR_NOATTR);
s = apreq_header_attribute(hdr, "set", 3, &val, &vlen);
AT_int_eq(s, APREQ_ERROR_NOATTR);
s = apreq_header_attribute(hdr, "boundary", 8, &val, &vlen);
AT_int_eq(s, APR_SUCCESS);
AT_int_eq(vlen, 5);
AT_mem_eq(val, "-foo-", 5);
s = apreq_header_attribute(hdr, "charset", 7, &val, &vlen);
AT_int_eq(s, APR_SUCCESS);
AT_int_eq(vlen, 10);
AT_mem_eq(val, "ISO-8859-1", 10);
hdr = "max-age=20; no-quote=\"...";
s = apreq_header_attribute(hdr, "max-age", 7, &val, &vlen);
AT_int_eq(s, APR_SUCCESS);
AT_int_eq(vlen, 2);
AT_mem_eq(val, "20", 2);
s = apreq_header_attribute(hdr, "age", 3, &val, &vlen);
AT_int_eq(s, APREQ_ERROR_BADSEQ);
s = apreq_header_attribute(hdr, "no-quote", 8, &val, &vlen);
AT_int_eq(s, APREQ_ERROR_BADSEQ);
}