serval-dna/rhizome_restful.c
Andrew Bettison e9d91d04ca Fix failing Rhizome Java API tests
Update the Java API to be consistent with recent changes to the Rhizome
REST API was that regularised the MIME types used in Content-Type
headers.

Add some missing CONTENT_TYPE_ constants to "httpd.h", and ensure they
are consistent with the Java getMimeType() methods in subclasses of
AbstractId.

Add the --stderr option to all executeJavaOk statements in the
'rhizomejava' test script, to reveal the exception message in the case
of failure.
2018-03-06 15:16:56 +10:30

1245 lines
48 KiB
C

/*
Serval DNA Rhizome HTTP RESTful interface
Copyright (C) 2013-2015 Serval Project Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "serval.h"
#include "rhizome.h"
#include "conf.h"
#include "httpd.h"
#include "str.h"
#include "base64.h"
#include "strbuf_helpers.h"
#include "numeric_str.h"
DEFINE_FEATURE(http_rest_rhizome);
DECLARE_HANDLER("/restful/rhizome/bundlelist.json", restful_rhizome_bundlelist_json);
DECLARE_HANDLER("/restful/rhizome/newsince/", restful_rhizome_newsince);
DECLARE_HANDLER("/restful/rhizome/insert", restful_rhizome_insert);
DECLARE_HANDLER("/restful/rhizome/import", restful_rhizome_import);
DECLARE_HANDLER("/restful/rhizome/append", restful_rhizome_append);
DECLARE_HANDLER("/restful/rhizome/", restful_rhizome_);
static HTTP_RENDERER render_status_and_manifest_headers;
static HTTP_RENDERER render_status_and_import_headers;
static void on_rhizome_bundle_added(httpd_request *r, rhizome_manifest *m);
static void finalise_union_read_state(httpd_request *r)
{
rhizome_read_close(&r->u.read_state);
}
static void finalise_union_rhizome_insert(httpd_request *r)
{
form_buf_malloc_release(&r->u.insert.manifest);
if (r->u.insert.write.blob_fd != -1)
rhizome_fail_write(&r->u.insert.write);
}
static void finalise_union_rhizome_list(httpd_request *r)
{
if (r->u.rhlist.cursor.service)
free((void*)r->u.rhlist.cursor.service);
r->u.rhlist.cursor.service=NULL;
if (r->u.rhlist.cursor.name)
free((void*)r->u.rhlist.cursor.name);
r->u.rhlist.cursor.name=NULL;
}
#define LIST_TOKEN_STRLEN (BASE64_ENCODED_LEN(sizeof(serval_uuid_t) + 8))
#define alloca_list_token(rowid) list_token_to_str(alloca(LIST_TOKEN_STRLEN + 1), (rowid))
static char *list_token_to_str(char *buf, uint64_t rowid)
{
struct iovec iov[2];
iov[0].iov_base = rhizome_db_uuid.u.binary;
iov[0].iov_len = sizeof rhizome_db_uuid.u.binary;
iov[1].iov_base = &rowid;
iov[1].iov_len = sizeof rowid;
size_t n = base64url_encodev(buf, iov, 2);
assert(n == LIST_TOKEN_STRLEN);
buf[n] = '\0';
return buf;
}
static int strn_to_list_token(const char *str, uint64_t *rowidp, const char **afterp)
{
unsigned char token[sizeof rhizome_db_uuid.u.binary + sizeof *rowidp];
if (base64url_decode(token, sizeof token, str, 0, afterp, 0, NULL) == sizeof token
&& cmp_serval_uuid_t(&rhizome_db_uuid, (serval_uuid_t *) &token) == 0
&& **afterp=='/'){
memcpy(rowidp, token + sizeof rhizome_db_uuid.u.binary, sizeof *rowidp);
(*afterp)++;
}else{
// don't skip the token
*afterp=str;
*rowidp=1;
}
return 1;
}
static int http_request_rhizome_response(struct httpd_request *r, uint16_t http_status, const char *http_reason)
{
uint16_t rhizome_http_status = 0;
switch (r->bundle_result.status) {
case RHIZOME_BUNDLE_STATUS_SAME:
case RHIZOME_BUNDLE_STATUS_DUPLICATE:
rhizome_http_status = 200; // OK
break;
case RHIZOME_BUNDLE_STATUS_NEW:
rhizome_http_status = 201; // Created
break;
case RHIZOME_BUNDLE_STATUS_NO_ROOM:
case RHIZOME_BUNDLE_STATUS_OLD:
rhizome_http_status = 202; // Accepted
break;
case RHIZOME_BUNDLE_STATUS_FAKE:
case RHIZOME_BUNDLE_STATUS_READONLY:
rhizome_http_status = 419; // Authentication Timeout
break;
case RHIZOME_BUNDLE_STATUS_INVALID:
case RHIZOME_BUNDLE_STATUS_INCONSISTENT:
case RHIZOME_BUNDLE_STATUS_MANIFEST_TOO_BIG:
rhizome_http_status = 422; // Unprocessable Entity
break;
case RHIZOME_BUNDLE_STATUS_BUSY:
rhizome_http_status = 423; // Locked
break;
case RHIZOME_BUNDLE_STATUS_ERROR:
rhizome_http_status = 500;
break;
}
if (rhizome_http_status) {
r->http.response.result_extra[0].label = "rhizome_bundle_status_code";
r->http.response.result_extra[0].value.type = JSON_INTEGER;
r->http.response.result_extra[0].value.u.integer = r->bundle_result.status;
const char *status_message = rhizome_bundle_result_message(r->bundle_result);
if (status_message) {
r->http.response.result_extra[1].label = "rhizome_bundle_status_message";
r->http.response.result_extra[1].value.type = JSON_STRING_NULTERM;
r->http.response.result_extra[1].value.u.string.content = status_message;
}
if (rhizome_http_status > http_status) {
http_status = rhizome_http_status;
if (!http_reason)
http_reason = status_message;
}
}
rhizome_http_status = 0;
switch (r->payload_status) {
case RHIZOME_PAYLOAD_STATUS_STORED:
case RHIZOME_PAYLOAD_STATUS_EMPTY:
rhizome_http_status = 200;
break;
case RHIZOME_PAYLOAD_STATUS_NEW:
rhizome_http_status = 201;
break;
case RHIZOME_PAYLOAD_STATUS_TOO_BIG:
case RHIZOME_PAYLOAD_STATUS_EVICTED:
rhizome_http_status = 202; // Accepted
break;
case RHIZOME_PAYLOAD_STATUS_CRYPTO_FAIL:
rhizome_http_status = 419; // Authentication Timeout
break;
case RHIZOME_PAYLOAD_STATUS_WRONG_SIZE:
case RHIZOME_PAYLOAD_STATUS_WRONG_HASH:
rhizome_http_status = 422; // Unprocessable Entity
break;
case RHIZOME_PAYLOAD_STATUS_BUSY:
rhizome_http_status = 423; // Locked
break;
case RHIZOME_PAYLOAD_STATUS_ERROR:
rhizome_http_status = 500;
break;
}
if (rhizome_http_status) {
r->http.response.result_extra[2].label = "rhizome_payload_status_code";
r->http.response.result_extra[2].value.type = JSON_INTEGER;
r->http.response.result_extra[2].value.u.integer = r->payload_status;
const char *status_message = rhizome_payload_status_message(r->payload_status);
if (status_message) {
r->http.response.result_extra[3].label = "rhizome_payload_status_message";
r->http.response.result_extra[3].value.type = JSON_STRING_NULTERM;
r->http.response.result_extra[3].value.u.string.content = status_message;
}
if (rhizome_http_status > http_status) {
http_status = rhizome_http_status;
if (!http_reason)
http_reason = status_message;
}
}
if (http_status == 0) {
http_status = 500;
http_reason = "Invalid result";
}
http_request_simple_response(&r->http, http_status, http_reason);
return http_status;
}
static HTTP_CONTENT_GENERATOR restful_rhizome_bundlelist_json_content;
static int restful_open_cursor(httpd_request *r)
{
assert(r->finalise_union == NULL);
r->finalise_union = finalise_union_rhizome_list;
r->u.rhlist.phase = LIST_HEADER;
r->u.rhlist.rowcount = 0;
const char *service = http_request_get_query_param(&r->http, "service");
if (service && *service){
r->u.rhlist.cursor.service = str_edup(service);
// TODO fail?
}
const char *name = http_request_get_query_param(&r->http, "name");
if (name && *name){
r->u.rhlist.cursor.name = str_edup(name);
// TODO fail?
}
const char *sender = http_request_get_query_param(&r->http, "sender");
if (sender && *sender){
if (str_to_sid_t(&r->u.rhlist.cursor.sender, sender) != -1)
r->u.rhlist.cursor.is_sender_set = 1;
// TODO fail?
}
const char *recipient = http_request_get_query_param(&r->http, "recipient");
if (recipient && *recipient){
if (str_to_sid_t(&r->u.rhlist.cursor.recipient, recipient) != -1)
r->u.rhlist.cursor.is_recipient_set = 1;
// TODO fail?
}
int ret = rhizome_list_open(&r->u.rhlist.cursor);
if (ret == -1)
return http_request_rhizome_response(r, 500, "Failed to open list");
http_request_response_generated(&r->http, 200, &CONTENT_TYPE_JSON, restful_rhizome_bundlelist_json_content);
return 1;
}
static int restful_rhizome_bundlelist_json(httpd_request *r, const char *remainder)
{
r->http.response.header.content_type = &CONTENT_TYPE_JSON;
if (!is_rhizome_http_enabled())
return 404;
int ret = authorize_restful(&r->http);
if (ret)
return ret;
if (*remainder)
return 404;
if (r->http.verb != HTTP_VERB_GET)
return 405;
bzero(&r->u.rhlist.cursor, sizeof r->u.rhlist.cursor);
return restful_open_cursor(r);
}
static HTTP_CONTENT_GENERATOR_STRBUF_CHUNKER restful_rhizome_bundlelist_json_content_chunk;
static int restful_rhizome_bundlelist_json_content(struct http_request *hr, unsigned char *buf, size_t bufsz, struct http_content_generator_result *result)
{
httpd_request *r = (httpd_request *) hr;
int ret = generate_http_content_from_strbuf_chunks(hr, (char *)buf, bufsz, result, restful_rhizome_bundlelist_json_content_chunk);
rhizome_list_release(&r->u.rhlist.cursor);
return ret;
}
static int restful_rhizome_newsince(httpd_request *r, const char *remainder)
{
r->http.response.header.content_type = &CONTENT_TYPE_JSON;
if (!is_rhizome_http_enabled())
return 404;
int ret = authorize_restful(&r->http);
if (ret)
return ret;
uint64_t rowid;
const char *end = NULL;
if (!strn_to_list_token(remainder, &rowid, &end) || strcmp(end, "bundlelist.json") != 0)
return 404;
if (r->http.verb != HTTP_VERB_GET)
return 405;
bzero(&r->u.rhlist.cursor, sizeof r->u.rhlist.cursor);
r->u.rhlist.cursor.rowid_since = rowid;
r->u.rhlist.cursor.oldest_first = 1;
r->u.rhlist.end_time = gettime_ms() + config.api.restful.newsince_timeout * 1000;
r->trigger_rhizome_bundle_added = on_rhizome_bundle_added;
return restful_open_cursor(r);
}
static void on_rhizome_bundle_added(httpd_request *r, rhizome_manifest *UNUSED(m))
{
http_request_resume_response(&r->http);
}
static int restful_rhizome_bundlelist_json_content_chunk(struct http_request *hr, strbuf b)
{
httpd_request *r = (httpd_request *) hr;
const char *headers[] = {
".token",
"_id",
"service",
"id",
"version",
"date",
".inserttime",
".author",
".fromhere",
"filesize",
"filehash",
"sender",
"recipient",
"name"
};
switch (r->u.rhlist.phase) {
case LIST_HEADER:
strbuf_puts(b, "{\n\"header\":[");
unsigned i;
for (i = 0; i != NELS(headers); ++i) {
if (i)
strbuf_putc(b, ',');
strbuf_json_string(b, headers[i]);
}
strbuf_puts(b, "],\n\"rows\":[");
if (!strbuf_overrun(b))
r->u.rhlist.phase = LIST_ROWS;
return 1;
case LIST_FIRST:
case LIST_ROWS:
{
int ret = rhizome_list_next(&r->u.rhlist.cursor);
if (ret == -1)
return -1;
if (ret == 0) {
time_ms_t now;
if (r->u.rhlist.cursor.oldest_first == 0 || (now = gettime_ms()) >= r->u.rhlist.end_time) {
r->u.rhlist.phase = LIST_END;
return 1;
}
http_request_pause_response(&r->http, r->u.rhlist.end_time);
return 0;
}
rhizome_manifest *m = r->u.rhlist.cursor.manifest;
assert(m->filesize != RHIZOME_SIZE_UNSET);
rhizome_lookup_author(m);
if (r->u.rhlist.rowcount != 0)
strbuf_putc(b, ',');
strbuf_puts(b, "\n[");
if (m->rowid > r->u.rhlist.rowid_highest) {
strbuf_json_string(b, alloca_list_token(m->rowid));
r->u.rhlist.rowid_highest = m->rowid;
} else
strbuf_json_null(b);
strbuf_putc(b, ',');
strbuf_sprintf(b, "%"PRIu64, m->rowid);
strbuf_putc(b, ',');
strbuf_json_string(b, m->service);
strbuf_putc(b, ',');
strbuf_json_hex(b, m->keypair.public_key.binary, sizeof m->keypair.public_key.binary);
strbuf_putc(b, ',');
strbuf_sprintf(b, "%"PRIu64, m->version);
strbuf_putc(b, ',');
if (m->has_date)
strbuf_sprintf(b, "%"PRItime_ms_t, m->date);
else
strbuf_json_null(b);
strbuf_putc(b, ',');
strbuf_sprintf(b, "%"PRItime_ms_t",", m->inserttime);
// The 'fromhere' flag indicates if the author is a known (unlocked) identity in the local
// keyring. The values are 0 (no), 1 (yes), 2 (yes and cryptographically verified). In the
// implementation below, the 0 value (no) is redundant, because it only occurs when the
// 'author' column is null, but in future the author SID might be reported for non-local
// authors, so clients should only use 'fromhere != 0', never 'author != null', to detect
// local authorship.
int fromhere = 0;
switch (m->authorship) {
case AUTHOR_AUTHENTIC:
fromhere = 2;
strbuf_json_hex(b, m->author.binary, sizeof m->author.binary);
break;
case AUTHOR_LOCAL:
fromhere = 1;
strbuf_json_hex(b, m->author.binary, sizeof m->author.binary);
break;
case AUTHOR_REMOTE:
strbuf_json_hex(b, m->author.binary, sizeof m->author.binary);
break;
default:
strbuf_json_null(b);
break;
}
strbuf_putc(b, ',');
strbuf_sprintf(b, "%d", fromhere);
strbuf_putc(b, ',');
strbuf_sprintf(b, "%"PRIu64, m->filesize);
strbuf_putc(b, ',');
strbuf_json_hex(b, m->filesize ? m->filehash.binary : NULL, sizeof m->filehash.binary);
strbuf_putc(b, ',');
strbuf_json_hex(b, m->has_sender ? m->sender.binary : NULL, sizeof m->sender.binary);
strbuf_putc(b, ',');
strbuf_json_hex(b, m->has_recipient ? m->recipient.binary : NULL, sizeof m->recipient.binary);
strbuf_putc(b, ',');
strbuf_json_string(b, m->name);
strbuf_puts(b, "]");
if (!strbuf_overrun(b)) {
rhizome_list_commit(&r->u.rhlist.cursor);
++r->u.rhlist.rowcount;
}
}
return 1;
case LIST_END:
strbuf_puts(b, "\n]\n}\n");
if (!strbuf_overrun(b))
r->u.rhlist.phase = LIST_DONE;
// fall through...
case LIST_DONE:
return 0;
}
abort();
}
static HTTP_REQUEST_PARSER restful_rhizome_insert_end;
static int insert_mime_part_start(struct http_request *);
static int insert_mime_part_end(struct http_request *);
static int insert_mime_part_header(struct http_request *, const struct mime_part_headers *);
static int insert_mime_part_body(struct http_request *, char *, size_t);
static int restful_rhizome_insert(httpd_request *r, const char *remainder)
{
r->http.response.header.content_type = &CONTENT_TYPE_JSON;
r->http.render_extra_headers = render_status_and_manifest_headers;
if (!is_rhizome_http_enabled())
return 404;
int ret = authorize_restful(&r->http);
if (ret)
return ret;
if (*remainder)
return 404;
if (r->http.verb != HTTP_VERB_POST)
return 405;
// Parse the request body as multipart/form-data.
assert(r->u.insert.current_part == NULL);
assert(!r->u.insert.received_author);
assert(!r->u.insert.received_secret);
assert(!r->u.insert.received_bundleid);
assert(!r->u.insert.received_manifest);
assert(!r->u.insert.received_payload);
bzero(&r->u.insert.write, sizeof r->u.insert.write);
r->u.insert.write.blob_fd = -1;
r->finalise_union = finalise_union_rhizome_insert;
r->http.form_data.handle_mime_part_start = insert_mime_part_start;
r->http.form_data.handle_mime_part_end = insert_mime_part_end;
r->http.form_data.handle_mime_part_header = insert_mime_part_header;
r->http.form_data.handle_mime_body = insert_mime_part_body;
// Perform the insert once the body has arrived.
r->http.handle_content_end = restful_rhizome_insert_end;
return 1;
}
static int restful_rhizome_import(httpd_request *r, const char *remainder)
{
// Do this first to check for request enabled, authorization, and POST.
r->u.insert.importing = 1;
int ret;
if ((ret = restful_rhizome_insert(r, remainder)) != 1)
return ret;
r->http.render_extra_headers = render_status_and_import_headers;
// If the client provides the Bundle ID and version on the command line, we can potentially reject
// the request immediately, to save the client sending the full manifest and payload.
#define PARAM_ID "id"
#define PARAM_VERSION "version"
const char *q_id = http_request_get_query_param(&r->http, PARAM_ID);
const char *q_version = http_request_get_query_param(&r->http, PARAM_VERSION);
if (q_id && !q_version)
return http_request_rhizome_response(r, 400, "Missing \"" PARAM_VERSION "\" parameter");
if (!q_id && q_version)
return http_request_rhizome_response(r, 400, "Missing \"" PARAM_ID "\" parameter");
if (q_id && str_to_rhizome_bid_t(&r->bid, q_id) == -1)
return http_request_rhizome_response(r, 400, "Invalid \"" PARAM_ID "\" parameter");
if (q_version && !str_to_uint64(q_version, 10, &r->ui64, NULL))
return http_request_rhizome_response(r, 400, "Invalid \"" PARAM_VERSION "\" parameter");
#undef PARAM_ID
#undef PARAM_VERSION
if (q_id && q_version) {
r->u.insert.verify_id_version = 1; // must agree with manifest
r->u.insert.payload_size = RHIZOME_SIZE_UNSET;
r->bundle_result.status = rhizome_is_interesting(&r->bid, r->ui64, &r->u.insert.payload_size);
switch (r->bundle_result.status) {
case RHIZOME_BUNDLE_STATUS_SAME:
case RHIZOME_BUNDLE_STATUS_DUPLICATE:
r->payload_status = r->u.insert.payload_size ? RHIZOME_PAYLOAD_STATUS_STORED
: RHIZOME_PAYLOAD_STATUS_EMPTY;
return http_request_rhizome_response(r, 0, NULL);
case RHIZOME_BUNDLE_STATUS_ERROR:
r->payload_status = RHIZOME_PAYLOAD_STATUS_ERROR;
return http_request_rhizome_response(r, 0, NULL);
case RHIZOME_BUNDLE_STATUS_NEW:
case RHIZOME_BUNDLE_STATUS_BUSY:
case RHIZOME_BUNDLE_STATUS_OLD:
case RHIZOME_BUNDLE_STATUS_NO_ROOM:
case RHIZOME_BUNDLE_STATUS_INCONSISTENT:
case RHIZOME_BUNDLE_STATUS_INVALID:
case RHIZOME_BUNDLE_STATUS_FAKE:
case RHIZOME_BUNDLE_STATUS_READONLY:
case RHIZOME_BUNDLE_STATUS_MANIFEST_TOO_BIG:
break;
}
}
return ret;
}
static int restful_rhizome_append(httpd_request *r, const char *remainder)
{
r->u.insert.appending = 1;
return restful_rhizome_insert(r, remainder);
}
static char PART_MANIFEST[] = "manifest";
static char PART_PAYLOAD[] = "payload";
static char PART_BUNDLEID[] = "bundle-id";
static char PART_AUTHOR[] = "bundle-author";
static char PART_SECRET[] = "bundle-secret";
static int insert_mime_part_start(struct http_request *hr)
{
httpd_request *r = (httpd_request *) hr;
assert(r->u.insert.current_part == NULL);
return 0;
}
static int insert_make_manifest(httpd_request *r)
{
if (!r->u.insert.received_manifest)
return http_response_form_part(r, 400, "Missing", PART_MANIFEST, NULL, 0);
if ((r->manifest = rhizome_new_manifest()) == NULL)
return http_request_rhizome_response(r, 429, "Manifest table full"); // Too Many Requests
assert(r->u.insert.manifest.length <= sizeof r->manifest->manifestdata);
memcpy(r->manifest->manifestdata, r->u.insert.manifest.buffer, r->u.insert.manifest.length);
r->manifest->manifest_all_bytes = r->u.insert.manifest.length;
int n = rhizome_manifest_parse(r->manifest);
switch (n) {
case 0:
if (r->manifest->malformed) {
r->bundle_result = rhizome_bundle_result_sprintf(RHIZOME_BUNDLE_STATUS_INVALID, "Malformed manifest: %s", r->manifest->malformed);
break;
}
if (r->u.insert.importing) {
const char *invalid_reason;
if ((invalid_reason = rhizome_manifest_validate_reason(r->manifest))) {
r->bundle_result = rhizome_bundle_result_static(RHIZOME_BUNDLE_STATUS_INVALID, invalid_reason);
break;
}
assert(r->manifest->has_id);
assert(r->manifest->version != 0);
if (r->u.insert.verify_id_version && (
cmp_rhizome_bid_t(&r->manifest->keypair.public_key, &r->bid) != 0 ||
r->manifest->version != r->ui64)
) {
r->bundle_result = rhizome_bundle_result_static(
RHIZOME_BUNDLE_STATUS_INVALID,
"Manifest does not match id/version query parameters"
);
break;
}
if (!rhizome_manifest_verify(r->manifest)) {
r->bundle_result = rhizome_bundle_result_static(RHIZOME_BUNDLE_STATUS_FAKE, NULL);
break;
}
r->bundle_result.status = rhizome_manifest_check_stored(r->manifest, NULL);
break;
}
rhizome_manifest *mout = NULL;
r->bundle_result = rhizome_manifest_add_file(r->u.insert.appending, r->manifest, &mout,
r->u.insert.received_bundleid ? &r->bid : NULL,
r->u.insert.received_secret ? &r->u.insert.bundle_secret : NULL,
r->u.insert.received_author ? &r->u.insert.author : NULL,
NULL, 0, NULL);
if (mout && mout != r->manifest) {
rhizome_manifest_free(r->manifest);
r->manifest = mout;
}
break;
case 1:
r->bundle_result = rhizome_bundle_result_static(RHIZOME_BUNDLE_STATUS_INVALID, NULL);
break;
default:
WHYF("rhizome_manifest_parse() returned %d", n);
FALLTHROUGH;
case -1:
r->bundle_result = rhizome_bundle_result_static(RHIZOME_BUNDLE_STATUS_ERROR, "Internal error while parsing manifest");
break;
}
switch (r->bundle_result.status) {
case RHIZOME_BUNDLE_STATUS_NEW:
break;
case RHIZOME_BUNDLE_STATUS_OLD:
case RHIZOME_BUNDLE_STATUS_SAME:
case RHIZOME_BUNDLE_STATUS_DUPLICATE:
case RHIZOME_BUNDLE_STATUS_NO_ROOM:
case RHIZOME_BUNDLE_STATUS_INCONSISTENT:
case RHIZOME_BUNDLE_STATUS_INVALID:
case RHIZOME_BUNDLE_STATUS_BUSY:
case RHIZOME_BUNDLE_STATUS_FAKE:
case RHIZOME_BUNDLE_STATUS_READONLY:
case RHIZOME_BUNDLE_STATUS_MANIFEST_TOO_BIG:
case RHIZOME_BUNDLE_STATUS_ERROR:
return http_request_rhizome_response(r, 0, NULL);
}
assert(r->manifest != NULL);
return 0;
}
static int insert_mime_part_header(struct http_request *hr, const struct mime_part_headers *h)
{
httpd_request *r = (httpd_request *) hr;
if (!h->content_disposition.type[0])
return http_response_content_disposition(r, 415, "Missing", h->content_disposition.type);
if (strcmp(h->content_disposition.type, "form-data") != 0)
return http_response_content_disposition(r, 415, "Unsupported", h->content_disposition.type);
if (!r->u.insert.importing && strcmp(h->content_disposition.name, PART_AUTHOR) == 0) {
if (r->u.insert.received_author)
return http_response_form_part(r, 400, "Duplicate", PART_AUTHOR, NULL, 0);
// Reject a request if this parameter comes after the manifest part.
if (r->u.insert.received_manifest || r->u.insert.importing)
return http_response_form_part(r, 400, "Spurious", PART_AUTHOR, NULL, 0);
if (!h->content_type.type[0])
; // missing Content-Type defaults to CONTENT_TYPE_SID_HEX
// TODO deprecate this default and insist that Content-Type be supplied
else if (!mime_content_types_are_equal(&h->content_type, &CONTENT_TYPE_SID_HEX))
return http_response_form_part(r, 415, "Unsupported Content-Type in", PART_AUTHOR, NULL, 0);
r->u.insert.current_part = PART_AUTHOR;
assert(r->u.insert.author_hex_len == 0);
}
else if (!r->u.insert.importing && strcmp(h->content_disposition.name, PART_SECRET) == 0) {
if (r->u.insert.received_secret)
return http_response_form_part(r, 400, "Duplicate", PART_SECRET, NULL, 0);
// Reject a request if this parameter comes after the manifest part.
if (r->u.insert.received_manifest || r->u.insert.importing)
return http_response_form_part(r, 400, "Spurious", PART_SECRET, NULL, 0);
if (!h->content_type.type[0])
; // missing Content-Type defaults to CONTENT_TYPE_RHIZOME_BUNDLE_SECRET
// TODO deprecate this default and insist that Content-Type be supplied
else if (!mime_content_types_are_equal(&h->content_type, &CONTENT_TYPE_RHIZOME_BUNDLE_SECRET_HEX))
return http_response_form_part(r, 415, "Unsupported Content-Type in", PART_SECRET, NULL, 0);
r->u.insert.current_part = PART_SECRET;
assert(r->u.insert.secret_text_len == 0);
}
else if (!r->u.insert.importing && strcmp(h->content_disposition.name, PART_BUNDLEID) == 0) {
if (r->u.insert.received_bundleid)
return http_response_form_part(r, 400, "Duplicate", PART_BUNDLEID, NULL, 0);
// Reject a request if this parameter comes after the manifest part.
if (r->u.insert.received_manifest || r->u.insert.importing)
return http_response_form_part(r, 400, "Spurious", PART_BUNDLEID, NULL, 0);
if (!h->content_type.type[0])
; // missing Content-Type defaults to CONTENT_TYPE_RHIZOME_BUNDLE_ID
// TODO deprecate this default and insist that Content-Type be supplied
else if (!mime_content_types_are_equal(&h->content_type, &CONTENT_TYPE_RHIZOME_BUNDLE_ID_HEX))
return http_response_form_part(r, 415, "Unsupported Content-Type in", PART_BUNDLEID, NULL, 0);
r->u.insert.current_part = PART_BUNDLEID;
assert(r->u.insert.bid_text_len == 0);
}
else if (strcmp(h->content_disposition.name, PART_MANIFEST) == 0) {
// Reject a request if it has a repeated manifest part.
if (r->u.insert.received_manifest)
return http_response_form_part(r, 400, "Duplicate", PART_MANIFEST, NULL, 0);
form_buf_malloc_init(&r->u.insert.manifest, MAX_MANIFEST_BYTES);
if (!mime_content_types_are_equal(&h->content_type, &CONTENT_TYPE_RHIZOME_MANIFEST))
return http_response_form_part(r, 415, "Unsupported Content-Type in", PART_MANIFEST, NULL, 0);
r->u.insert.current_part = PART_MANIFEST;
}
else if (strcmp(h->content_disposition.name, PART_PAYLOAD) == 0) {
// Reject a request if it has a repeated payload part.
if (r->u.insert.received_payload)
return http_response_form_part(r, 400, "Duplicate", PART_PAYLOAD, NULL, 0);
// Reject a request if it has a missing manifest part preceding the payload part.
if (!r->u.insert.received_manifest)
return http_response_form_part(r, 400, "Missing", PART_MANIFEST, NULL, 0);
assert(r->manifest != NULL);
if (r->u.insert.importing && (r->manifest->filesize == 0 || !r->manifest->has_filehash))
return http_response_form_part(r, 400, "Spurious", PART_PAYLOAD, NULL, 0);
// TODO enforce correct content type
r->u.insert.current_part = PART_PAYLOAD;
if (r->u.insert.importing){
r->payload_status = rhizome_open_write(&r->u.insert.write, &r->manifest->filehash, r->manifest->filesize);
}else{
// If the manifest does not contain a 'name' field, then assign it from the payload filename.
if (strcasecmp(RHIZOME_SERVICE_FILE, r->manifest->service) == 0
&& r->manifest->name == NULL
&& *h->content_disposition.filename
)
rhizome_manifest_set_name_from_path(r->manifest, h->content_disposition.filename);
// Start writing the payload content into the Rhizome store.
if (r->u.insert.appending) {
r->payload_status = rhizome_write_open_journal(&r->u.insert.write, r->manifest, 0, RHIZOME_SIZE_UNSET);
} else {
// Note: r->manifest->filesize can be RHIZOME_SIZE_UNSET at this point, if the manifest did
// not contain a 'filesize' field.
r->payload_status = rhizome_write_open_manifest(&r->u.insert.write, r->manifest);
}
}
// complete early so the client doesn't have to send the payload
if (r->payload_status != RHIZOME_PAYLOAD_STATUS_NEW)
return http_request_rhizome_response(r, 0, NULL);
r->u.insert.payload_size = 0;
}
else
return http_response_form_part(r, 400, "Unsupported", h->content_disposition.name, NULL, 0);
return 0;
}
static int insert_mime_part_body(struct http_request *hr, char *buf, size_t len)
{
httpd_request *r = (httpd_request *) hr;
if (r->u.insert.current_part == PART_AUTHOR) {
accumulate_text(r, PART_AUTHOR,
r->u.insert.author_hex,
sizeof r->u.insert.author_hex,
&r->u.insert.author_hex_len,
buf, len);
}
else if (r->u.insert.current_part == PART_SECRET) {
accumulate_text(r, PART_SECRET,
r->u.insert.secret_text,
sizeof r->u.insert.secret_text,
&r->u.insert.secret_text_len,
buf, len);
}
else if (r->u.insert.current_part == PART_BUNDLEID) {
accumulate_text(r, PART_BUNDLEID,
r->u.insert.bid_text,
sizeof r->u.insert.bid_text,
&r->u.insert.bid_text_len,
buf, len);
}
else if (r->u.insert.current_part == PART_MANIFEST) {
form_buf_malloc_accumulate(r, PART_MANIFEST, &r->u.insert.manifest, buf, len);
}
else if (r->u.insert.current_part == PART_PAYLOAD) {
r->u.insert.payload_size += len;
switch (r->payload_status) {
case RHIZOME_PAYLOAD_STATUS_NEW:
if (rhizome_write_buffer(&r->u.insert.write, (unsigned char *)buf, len) == -1)
return http_request_rhizome_response(r, 500, "Error in payload write");
break;
case RHIZOME_PAYLOAD_STATUS_STORED:
// TODO: calculate payload hash so it can be compared with stored payload
break;
default:
break;
}
} else
FATALF("current_part = %s", alloca_str_toprint(r->u.insert.current_part));
return 0;
}
static int insert_mime_part_end(struct http_request *hr)
{
httpd_request *r = (httpd_request *) hr;
if (r->u.insert.current_part == PART_AUTHOR) {
if ( r->u.insert.author_hex_len != sizeof r->u.insert.author_hex
|| strn_to_sid_t(&r->u.insert.author, r->u.insert.author_hex, sizeof r->u.insert.author_hex) == -1
)
return http_response_form_part(r, 400, "Invalid", PART_AUTHOR, r->u.insert.author_hex, r->u.insert.author_hex_len);
r->u.insert.received_author = 1;
DEBUGF(rhizome, "received %s = %s", PART_AUTHOR, alloca_tohex_sid_t(r->u.insert.author));
}
else if (r->u.insert.current_part == PART_SECRET) {
if (strn_to_rhizome_bsk_t(&r->u.insert.bundle_secret, r->u.insert.secret_text, r->u.insert.secret_text_len) == -1)
return http_response_form_part(r, 400, "Invalid", PART_SECRET, r->u.insert.secret_text, r->u.insert.secret_text_len);
r->u.insert.received_secret = 1;
DEBUGF(rhizome, "received %s = %s", PART_SECRET, alloca_tohex_rhizome_bk_t(r->u.insert.bundle_secret));
}
else if (r->u.insert.current_part == PART_BUNDLEID) {
if (strn_to_rhizome_bid_t(&r->bid, r->u.insert.bid_text, r->u.insert.bid_text_len) == -1)
return http_response_form_part(r, 400, "Invalid", PART_BUNDLEID, r->u.insert.secret_text, r->u.insert.secret_text_len);
r->u.insert.received_bundleid = 1;
DEBUGF(rhizome, "received %s = %s", PART_BUNDLEID, alloca_tohex_rhizome_bid_t(r->bid));
}
else if (r->u.insert.current_part == PART_MANIFEST) {
r->u.insert.received_manifest = 1;
DEBUGF(rhizome, "received %s = %s", PART_MANIFEST, alloca_toprint(-1, r->u.insert.manifest.buffer, r->u.insert.manifest.length));
int result = insert_make_manifest(r);
if (result)
return result;
}
else if (r->u.insert.current_part == PART_PAYLOAD) {
r->u.insert.received_payload = 1;
DEBUGF(rhizome, "received %s, %zd bytes", PART_PAYLOAD, r->u.insert.payload_size);
r->payload_status = rhizome_finish_write(&r->u.insert.write);
} else
FATALF("current_part = %s", alloca_str_toprint(r->u.insert.current_part));
r->u.insert.current_part = NULL;
return 0;
}
static int restful_rhizome_insert_end(struct http_request *hr)
{
httpd_request *r = (httpd_request *) hr;
if (!r->u.insert.received_manifest)
return http_response_form_part(r, 400, "Missing", PART_MANIFEST, NULL, 0);
if (!r->u.insert.received_payload)
return http_response_form_part(r, 400, "Missing", PART_PAYLOAD, NULL, 0);
// Fill in the missing manifest fields and ensure payload and manifest are consistent.
assert(r->manifest != NULL);
DEBUGF(rhizome, "r->payload_status=%d %s", r->payload_status, rhizome_payload_status_message(r->payload_status));
assert(r->u.insert.write.file_length != RHIZOME_SIZE_UNSET);
if (r->u.insert.appending) {
// For journal appends, the user cannot supply a 'filesize' field. This will have been caught
// by previous logic. The manifest should also have a 'filesize' field by now. The new payload
// size should be the sum of 'filesize' and the appended portion.
assert(r->manifest->is_journal);
assert(r->manifest->filesize != RHIZOME_SIZE_UNSET);
DEBUGF(rhizome, "file_length=%"PRIu64" filesize=%"PRIu64" payload_size=%"PRIu64,
r->u.insert.write.file_length,
r->manifest->filesize,
r->u.insert.payload_size);
if (r->u.insert.write.file_length != r->manifest->filesize + r->u.insert.payload_size)
r->payload_status = RHIZOME_PAYLOAD_STATUS_WRONG_SIZE;
} else {
// The Rhizome CLI 'add file' operation allows the user to supply a 'filesize' field which is
// smaller than the supplied file, for convenience, to allow only the first part of a file to be
// added as a payload. But the RESTful interface doesn't allow that.
assert(!r->manifest->is_journal);
if (r->manifest->filesize != RHIZOME_SIZE_UNSET && r->u.insert.payload_size != r->manifest->filesize)
r->payload_status = RHIZOME_PAYLOAD_STATUS_WRONG_SIZE;
}
r->payload_status = rhizome_finish_store(&r->u.insert.write, r->manifest, r->payload_status);
int status_valid = 0;
switch (r->payload_status) {
case RHIZOME_PAYLOAD_STATUS_NEW:
case RHIZOME_PAYLOAD_STATUS_STORED:
case RHIZOME_PAYLOAD_STATUS_EMPTY:
status_valid = 1;
break;
case RHIZOME_PAYLOAD_STATUS_WRONG_SIZE:
r->bundle_result = rhizome_bundle_result_sprintf(RHIZOME_BUNDLE_STATUS_INCONSISTENT,
"Payload size (%"PRIu64") contradicts manifest (filesize=%"PRIu64")",
r->u.insert.payload_size, r->manifest->filesize);
return http_request_rhizome_response(r, 0, "Inconsistent filesize");
case RHIZOME_PAYLOAD_STATUS_WRONG_HASH:
r->bundle_result = rhizome_bundle_result_sprintf(RHIZOME_BUNDLE_STATUS_INCONSISTENT,
"Payload hash (%s) contradicts manifest (filehash=%s)",
alloca_tohex_rhizome_filehash_t(r->u.insert.write.id),
alloca_tohex_rhizome_filehash_t(r->manifest->filehash));
return http_request_rhizome_response(r, 0, "Inconsistent filehash");
case RHIZOME_PAYLOAD_STATUS_CRYPTO_FAIL:
r->bundle_result = rhizome_bundle_result(RHIZOME_BUNDLE_STATUS_READONLY);
return http_request_rhizome_response(r, 0, NULL);
case RHIZOME_PAYLOAD_STATUS_TOO_BIG:
r->bundle_result = rhizome_bundle_result(RHIZOME_BUNDLE_STATUS_NO_ROOM);
return http_request_rhizome_response(r, 0, NULL);
case RHIZOME_PAYLOAD_STATUS_EVICTED:
r->bundle_result = rhizome_bundle_result(RHIZOME_BUNDLE_STATUS_NO_ROOM);
return http_request_rhizome_response(r, 0, NULL);
case RHIZOME_PAYLOAD_STATUS_BUSY:
r->bundle_result = rhizome_bundle_result(RHIZOME_BUNDLE_STATUS_BUSY);
return http_request_rhizome_response(r, 0, NULL);
case RHIZOME_PAYLOAD_STATUS_ERROR:
return http_request_rhizome_response(r, 500, "Payload store error");
}
if (!status_valid)
FATALF("rhizome_finish_store() returned status = %d", r->payload_status);
rhizome_manifest *mout = NULL;
if (r->u.insert.importing){
r->bundle_result = rhizome_bundle_result(rhizome_add_manifest_to_store(r->manifest, &mout));
}else{
// Finalise the manifest and add it to the store.
const char *invalid_reason = rhizome_manifest_validate_reason(r->manifest);
if (invalid_reason) {
r->bundle_result = rhizome_bundle_result_static(RHIZOME_BUNDLE_STATUS_INVALID, invalid_reason);
return http_request_rhizome_response(r, 0, NULL);
}
if (r->manifest->malformed) {
r->bundle_result = rhizome_bundle_result_static(RHIZOME_BUNDLE_STATUS_INVALID, r->manifest->malformed);
return http_request_rhizome_response(r, 0, NULL);
}
if (!r->manifest->haveSecret) {
r->bundle_result = rhizome_bundle_result_static(RHIZOME_BUNDLE_STATUS_READONLY, "Missing bundle secret");
return http_request_rhizome_response(r, 0, NULL);
}
rhizome_bundle_result_free(&r->bundle_result);
r->bundle_result = rhizome_manifest_finalise(r->manifest, &mout, !r->u.insert.force_new);
}
int http_status = 500;
switch (r->bundle_result.status) {
case RHIZOME_BUNDLE_STATUS_NEW:
if (mout && mout != r->manifest)
rhizome_manifest_free(mout);
http_status = 201;
break;
case RHIZOME_BUNDLE_STATUS_OLD:
if (mout && mout != r->manifest) {
rhizome_manifest_free(r->manifest);
r->manifest = mout;
}
http_status = 202;
break;
case RHIZOME_BUNDLE_STATUS_SAME:
case RHIZOME_BUNDLE_STATUS_DUPLICATE:
if (mout && mout != r->manifest) {
rhizome_manifest_free(r->manifest);
r->manifest = mout;
}
http_status = 200;
break;
case RHIZOME_BUNDLE_STATUS_ERROR:
case RHIZOME_BUNDLE_STATUS_INVALID:
case RHIZOME_BUNDLE_STATUS_FAKE:
case RHIZOME_BUNDLE_STATUS_INCONSISTENT:
case RHIZOME_BUNDLE_STATUS_NO_ROOM:
case RHIZOME_BUNDLE_STATUS_READONLY:
case RHIZOME_BUNDLE_STATUS_BUSY:
case RHIZOME_BUNDLE_STATUS_MANIFEST_TOO_BIG:
if (mout && mout != r->manifest)
rhizome_manifest_free(mout);
rhizome_manifest_free(r->manifest);
r->manifest = NULL;
return http_request_rhizome_response(r, 0, NULL);
}
if (http_status == 500)
FATALF("rhizome_manifest_finalise() returned status=%d", r->bundle_result.status);
if (r->u.insert.importing){
return http_request_rhizome_response(r, http_status, NULL);
}else{
rhizome_authenticate_author(r->manifest);
http_request_response_static(&r->http, http_status, &CONTENT_TYPE_RHIZOME_MANIFEST,
(const char *)r->manifest->manifestdata, r->manifest->manifest_all_bytes
);
}
return 0;
}
static HTTP_HANDLER restful_rhizome_bid_rhm;
static HTTP_HANDLER restful_rhizome_bid_raw_bin;
static HTTP_HANDLER restful_rhizome_bid_decrypted_bin;
static int restful_rhizome_(httpd_request *r, const char *remainder)
{
r->http.response.header.content_type = &CONTENT_TYPE_JSON;
r->http.render_extra_headers = render_status_and_manifest_headers;
if (!is_rhizome_http_enabled())
return 404;
int ret = authorize_restful(&r->http);
if (ret)
return ret;
HTTP_HANDLER *handler = NULL;
rhizome_bid_t bid;
const char *end;
if (parse_rhizome_bid_t(&bid, remainder, -1, &end) != -1) {
if (strcmp(end, ".rhm") == 0) {
handler = restful_rhizome_bid_rhm;
remainder = "";
} else if (strcmp(end, "/raw.bin") == 0) {
handler = restful_rhizome_bid_raw_bin;
remainder = "";
} else if (strcmp(end, "/decrypted.bin") == 0) {
handler = restful_rhizome_bid_decrypted_bin;
remainder = "";
}
}
if (handler == NULL)
return 404;
if (r->http.verb != HTTP_VERB_GET)
return 405;
if ((r->manifest = rhizome_new_manifest()) == NULL)
return http_request_rhizome_response(r, 429, "Manifest table full"); // Too Many Requests
r->bundle_result.status = rhizome_retrieve_manifest(&bid, r->manifest);
switch(r->bundle_result.status){
case RHIZOME_BUNDLE_STATUS_SAME:
rhizome_authenticate_author(r->manifest);
break;
case RHIZOME_BUNDLE_STATUS_NEW:
rhizome_manifest_free(r->manifest);
r->manifest = NULL;
break;
case RHIZOME_BUNDLE_STATUS_BUSY:
rhizome_manifest_free(r->manifest);
return http_request_rhizome_response(r, 0, NULL);
case RHIZOME_BUNDLE_STATUS_ERROR:
rhizome_manifest_free(r->manifest);
r->manifest = NULL;
return http_request_rhizome_response(r, 500, "Manifest retrieve error");
default: // should not return others
FATALF("rhizome_retrieve_manifest() returned status = %d", r->bundle_result.status);
}
return handler(r, remainder);
}
static int restful_rhizome_bid_rhm(httpd_request *r, const char *remainder)
{
if (*remainder)
return 404;
if (r->manifest == NULL)
return http_request_rhizome_response(r, 404, "Bundle not found"); // Not Found
http_request_response_static(&r->http, 200, &CONTENT_TYPE_RHIZOME_MANIFEST,
(const char *)r->manifest->manifestdata, r->manifest->manifest_all_bytes
);
return 1;
}
static int restful_rhizome_bid_raw_bin(httpd_request *r, const char *remainder)
{
if (*remainder)
return 404;
if (r->manifest == NULL)
return http_request_rhizome_response(r, 404, "Bundle not found"); // Not Found
if (r->manifest->filesize == 0) {
http_request_response_static(&r->http, 200, &CONTENT_TYPE_BLOB, "", 0);
return 1;
}
int ret = rhizome_response_content_init_filehash(r, &r->manifest->filehash);
if (ret)
return ret;
http_request_response_generated(&r->http, 200, &CONTENT_TYPE_BLOB, rhizome_payload_content);
return 1;
}
static int restful_rhizome_bid_decrypted_bin(httpd_request *r, const char *remainder)
{
if (*remainder)
return 404;
if (r->manifest == NULL)
return http_request_rhizome_response(r, 404, "Bundle not found"); // Not Found
if (r->manifest->filesize == 0) {
// TODO use Content Type from manifest (once it is implemented)
http_request_response_static(&r->http, 200, &CONTENT_TYPE_BLOB, "", 0);
return 1;
}
int ret = rhizome_response_content_init_payload(r, r->manifest);
if (ret)
return ret;
// TODO use Content Type from manifest (once it is implemented)
http_request_response_generated(&r->http, 200, &CONTENT_TYPE_BLOB, rhizome_payload_content);
return 1;
}
static int rhizome_response_content_init_read_state(httpd_request *r)
{
if (r->u.read_state.length == RHIZOME_SIZE_UNSET && rhizome_read(&r->u.read_state, NULL, 0)) {
rhizome_read_close(&r->u.read_state);
return http_request_rhizome_response(r, 404, "Payload not found");
}
assert(r->u.read_state.length != RHIZOME_SIZE_UNSET);
int ret = http_response_init_content_range(r, r->u.read_state.length);
if (ret==0)
r->u.read_state.offset = r->http.response.header.content_range_start;
return ret;
}
int rhizome_response_content_init_filehash(httpd_request *r, const rhizome_filehash_t *hash)
{
bzero(&r->u.read_state, sizeof r->u.read_state);
r->u.read_state.blob_fd = -1;
assert(r->finalise_union == NULL);
r->finalise_union = finalise_union_read_state;
r->payload_status = rhizome_open_read(&r->u.read_state, hash);
switch (r->payload_status) {
case RHIZOME_PAYLOAD_STATUS_EMPTY:
case RHIZOME_PAYLOAD_STATUS_STORED:
return rhizome_response_content_init_read_state(r);
case RHIZOME_PAYLOAD_STATUS_NEW:
return http_request_rhizome_response(r, 404, "Payload not found");
case RHIZOME_PAYLOAD_STATUS_ERROR:
case RHIZOME_PAYLOAD_STATUS_BUSY:
case RHIZOME_PAYLOAD_STATUS_WRONG_SIZE:
case RHIZOME_PAYLOAD_STATUS_WRONG_HASH:
case RHIZOME_PAYLOAD_STATUS_CRYPTO_FAIL:
case RHIZOME_PAYLOAD_STATUS_TOO_BIG:
case RHIZOME_PAYLOAD_STATUS_EVICTED:
return http_request_rhizome_response(r, 500, "Payload read error");
}
FATALF("rhizome_open_read() returned status = %d", r->payload_status);
}
int rhizome_response_content_init_payload(httpd_request *r, rhizome_manifest *m)
{
bzero(&r->u.read_state, sizeof r->u.read_state);
r->u.read_state.blob_fd = -1;
assert(r->finalise_union == NULL);
r->finalise_union = finalise_union_read_state;
r->payload_status = rhizome_open_decrypt_read(m, &r->u.read_state);
switch (r->payload_status) {
case RHIZOME_PAYLOAD_STATUS_EMPTY:
case RHIZOME_PAYLOAD_STATUS_STORED:
return rhizome_response_content_init_read_state(r);
case RHIZOME_PAYLOAD_STATUS_NEW:
return http_request_rhizome_response(r, 404, "Payload not found");
case RHIZOME_PAYLOAD_STATUS_CRYPTO_FAIL:
return http_request_rhizome_response(r, 419, "Payload decryption error"); // Authentication Timeout
case RHIZOME_PAYLOAD_STATUS_BUSY:
case RHIZOME_PAYLOAD_STATUS_ERROR:
case RHIZOME_PAYLOAD_STATUS_WRONG_SIZE:
case RHIZOME_PAYLOAD_STATUS_WRONG_HASH:
case RHIZOME_PAYLOAD_STATUS_TOO_BIG:
case RHIZOME_PAYLOAD_STATUS_EVICTED:
return http_request_rhizome_response(r, 500, "Payload read error");
}
FATALF("rhizome_open_decrypt_read() returned status = %d", r->payload_status);
}
int rhizome_payload_content(struct http_request *hr, unsigned char *buf, size_t bufsz, struct http_content_generator_result *result)
{
// Only read multiples of 4k from disk.
const size_t blocksz = 1 << 12;
// Ask for a large buffer for all future reads.
const size_t preferred_bufsz = 16 * blocksz;
// Reads the next part of the payload into the supplied buffer.
httpd_request *r = (httpd_request *) hr;
assert(r->u.read_state.length != RHIZOME_SIZE_UNSET);
assert(r->u.read_state.offset < r->u.read_state.length);
uint64_t remain = r->u.read_state.length - r->u.read_state.offset;
size_t readlen = bufsz;
if (remain <= bufsz)
readlen = remain;
else
readlen &= ~(blocksz - 1);
if (readlen > 0) {
ssize_t n = rhizome_read(&r->u.read_state, buf, readlen);
if (n == -1)
return -1;
result->generated = (size_t) n;
}
assert(r->u.read_state.offset <= r->u.read_state.length);
remain = r->u.read_state.length - r->u.read_state.offset;
result->need = remain < preferred_bufsz ? remain : preferred_bufsz;
return remain ? 1 : 0;
}
static void render_status_headers(const struct httpd_request *r, strbuf sb)
{
switch (r->bundle_result.status) {
case RHIZOME_BUNDLE_STATUS_NEW:
case RHIZOME_BUNDLE_STATUS_SAME:
case RHIZOME_BUNDLE_STATUS_DUPLICATE:
case RHIZOME_BUNDLE_STATUS_OLD:
case RHIZOME_BUNDLE_STATUS_INVALID:
case RHIZOME_BUNDLE_STATUS_FAKE:
case RHIZOME_BUNDLE_STATUS_INCONSISTENT:
case RHIZOME_BUNDLE_STATUS_NO_ROOM:
case RHIZOME_BUNDLE_STATUS_READONLY:
case RHIZOME_BUNDLE_STATUS_BUSY:
case RHIZOME_BUNDLE_STATUS_MANIFEST_TOO_BIG:
case RHIZOME_BUNDLE_STATUS_ERROR:
strbuf_sprintf(sb, "Serval-Rhizome-Result-Bundle-Status-Code: %d\r\n", r->bundle_result.status);
strbuf_puts(sb, "Serval-Rhizome-Result-Bundle-Status-Message: ");
strbuf_json_string(sb, rhizome_bundle_result_message_nonnull(r->bundle_result));
strbuf_puts(sb, "\r\n");
break;
}
const char *status_message = rhizome_payload_status_message(r->payload_status);
if (status_message) {
strbuf_sprintf(sb, "Serval-Rhizome-Result-Payload-Status-Code: %d\r\n", r->payload_status);
strbuf_puts(sb, "Serval-Rhizome-Result-Payload-Status-Message: ");
strbuf_json_string(sb, status_message);
strbuf_puts(sb, "\r\n");
}
}
static void render_manifest_headers(const rhizome_manifest *m, strbuf sb)
{
assert(m != NULL);
if (m->has_id)
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Id: %s\r\n", alloca_tohex_rhizome_bid_t(m->keypair.public_key));
if (m->version)
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Version: %"PRIu64"\r\n", m->version);
if (m->filesize != RHIZOME_SIZE_UNSET)
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Filesize: %"PRIu64"\r\n", m->filesize);
if (m->has_filehash)
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Filehash: %s\r\n", alloca_tohex_rhizome_filehash_t(m->filehash));
if (m->has_sender)
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Sender: %s\r\n", alloca_tohex_sid_t(m->sender));
if (m->has_recipient)
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Recipient: %s\r\n", alloca_tohex_sid_t(m->recipient));
if (m->has_bundle_key)
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-BK: %s\r\n", alloca_tohex_rhizome_bk_t(m->bundle_key));
switch (m->payloadEncryption) {
case PAYLOAD_CRYPT_UNKNOWN:
break;
case PAYLOAD_CLEAR:
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Crypt: 0\r\n");
break;
case PAYLOAD_ENCRYPTED:
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Crypt: 1\r\n");
break;
}
if (m->is_journal)
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Tail: %"PRIu64"\r\n", m->tail);
if (m->has_date)
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Date: %"PRIu64"\r\n", m->date);
if (m->name) {
strbuf_puts(sb, "Serval-Rhizome-Bundle-Name: ");
strbuf_append_quoted_string(sb, m->name);
strbuf_puts(sb, "\r\n");
}
if (m->service)
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Service: %s\r\n", m->service);
assert(m->authorship != AUTHOR_LOCAL);
if (m->authorship == AUTHOR_AUTHENTIC)
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Author: %s\r\n", alloca_tohex_sid_t(m->author));
if (m->haveSecret) {
char secret[RHIZOME_BUNDLE_KEY_STRLEN + 1];
rhizome_bytes_to_hex_upper(m->keypair.binary, secret, RHIZOME_BUNDLE_KEY_BYTES);
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Secret: %s\r\n", secret);
}
if (m->rowid)
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Rowid: %"PRIu64"\r\n", m->rowid);
if (m->inserttime)
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Inserttime: %"PRIu64"\r\n", m->inserttime);
}
static void render_import_headers(const struct httpd_request *r, strbuf sb)
{
if (r->u.insert.verify_id_version) {
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Id: %s\r\n", alloca_tohex_rhizome_bid_t(r->bid));
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Version: %"PRIu64"\r\n", r->ui64);
}
if (r->u.insert.payload_size != RHIZOME_SIZE_UNSET)
strbuf_sprintf(sb, "Serval-Rhizome-Bundle-Filesize: %"PRIu64"\r\n", r->u.insert.payload_size);
}
static void render_status_and_manifest_headers(const struct http_request *hr, strbuf sb)
{
const httpd_request *r = (httpd_request *) hr;
render_status_headers(r, sb);
if (r->manifest) {
render_manifest_headers(r->manifest, sb);
}
}
static void render_status_and_import_headers(const struct http_request *hr, strbuf sb)
{
const httpd_request *r = (httpd_request *) hr;
render_status_headers(r, sb);
if (r->manifest) {
render_manifest_headers(r->manifest, sb);
} else {
render_import_headers(r, sb);
}
}