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https://github.com/servalproject/serval-dna.git
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93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
/*
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Serval DNA Rhizome HTTP external interface
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Copyright (C) 2013,2014 Serval Project Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "serval.h"
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#include "conf.h"
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#include "httpd.h"
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#include "str.h"
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#include "strbuf.h"
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int rhizome_file_page(httpd_request *r, const char *remainder)
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{
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/* Stream the specified payload */
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if (!is_rhizome_http_enabled())
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return 403;
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if (r->http.verb != HTTP_VERB_GET)
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return 405;
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if (r->http.request_header.content_range_count > 1) {
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// To support byte range sets, eg, Range: bytes=0-100,200-300,400- we would have
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// to reply with a multipart/byteranges MIME content.
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http_request_simple_response(&r->http, 501, "Not Implemented: Byte range sets");
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return 1;
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}
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rhizome_filehash_t filehash;
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if (str_to_rhizome_filehash_t(&filehash, remainder) == -1)
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return 1;
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int ret = rhizome_response_content_init_filehash(r, &filehash);
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if (ret)
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return ret;
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http_request_response_generated(&r->http, 200, CONTENT_TYPE_BLOB, rhizome_payload_content);
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return 1;
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}
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int manifest_by_prefix_page(httpd_request *r, const char *remainder)
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{
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if (!is_rhizome_http_enabled())
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return 403;
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if (r->http.verb != HTTP_VERB_GET)
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return 405;
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rhizome_bid_t prefix;
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const char *endp = NULL;
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unsigned prefix_len = strn_fromhex(prefix.binary, sizeof prefix.binary, remainder, &endp);
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if (endp == NULL || *endp != '\0' || prefix_len < 1)
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return 404; // not found
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if ((r->manifest = rhizome_new_manifest()) == NULL)
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return 500;
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switch(rhizome_retrieve_manifest_by_prefix(prefix.binary, prefix_len, r->manifest)){
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case RHIZOME_BUNDLE_STATUS_SAME:
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http_request_response_static(&r->http, 200, CONTENT_TYPE_BLOB, (const char *)r->manifest->manifestdata, r->manifest->manifest_all_bytes);
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return 1;
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case RHIZOME_BUNDLE_STATUS_NEW:
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return 404;
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default:
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return 500;
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}
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}
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int rhizome_status_page(httpd_request *r, const char *remainder)
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{
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if (!is_rhizome_http_enabled())
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return 403;
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if (*remainder)
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return 404;
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if (r->http.verb != HTTP_VERB_GET)
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return 405;
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char buf[32*1024];
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strbuf b = strbuf_local(buf, sizeof buf);
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strbuf_puts(b, "<html><head><meta http-equiv=\"refresh\" content=\"5\" ></head><body>");
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strbuf_sprintf(b, "%d HTTP requests<br>", httpd_request_count);
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strbuf_sprintf(b, "%d Bundles transferring via MDP<br>", rhizome_cache_count());
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rhizome_fetch_status_html(b);
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strbuf_puts(b, "</body></html>");
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if (strbuf_overrun(b))
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return -1;
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http_request_response_static(&r->http, 200, CONTENT_TYPE_HTML, buf, strbuf_len(b));
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return 1;
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}
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