| /* |
| * mergeinfo.c: mod_dav_svn REPORT handler for querying mergeinfo |
| * |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * ==================================================================== |
| */ |
| |
| #include <apr_pools.h> |
| #include <apr_strings.h> |
| #include <apr_xml.h> |
| |
| #include <http_request.h> |
| #include <http_log.h> |
| #include <mod_dav.h> |
| |
| #include "svn_pools.h" |
| #include "svn_repos.h" |
| #include "svn_xml.h" |
| #include "svn_path.h" |
| #include "svn_dav.h" |
| |
| #include "private/svn_fspath.h" |
| #include "private/svn_dav_protocol.h" |
| #include "private/svn_log.h" |
| #include "private/svn_mergeinfo_private.h" |
| |
| #include "../dav_svn.h" |
| |
| |
| dav_error * |
| dav_svn__get_mergeinfo_report(const dav_resource *resource, |
| const apr_xml_doc *doc, |
| ap_filter_t *output) |
| { |
| svn_error_t *serr; |
| dav_error *derr = NULL; |
| apr_xml_elem *child; |
| svn_mergeinfo_catalog_t catalog; |
| svn_boolean_t include_descendants = FALSE; |
| dav_svn__authz_read_baton arb; |
| const dav_svn_repos *repos = resource->info->repos; |
| int ns; |
| apr_bucket_brigade *bb; |
| apr_hash_index_t *hi; |
| |
| /* These get determined from the request document. */ |
| svn_revnum_t rev = SVN_INVALID_REVNUM; |
| /* By default look for explicit mergeinfo only. */ |
| svn_mergeinfo_inheritance_t inherit = svn_mergeinfo_explicit; |
| apr_array_header_t *paths |
| = apr_array_make(resource->pool, 0, sizeof(const char *)); |
| |
| /* Sanity check. */ |
| if (!resource->info->repos_path) |
| return dav_svn__new_error(resource->pool, HTTP_BAD_REQUEST, 0, 0, |
| "The request does not specify a repository path"); |
| ns = dav_svn__find_ns(doc->namespaces, SVN_XML_NAMESPACE); |
| if (ns == -1) |
| { |
| return dav_svn__new_error_svn(resource->pool, HTTP_BAD_REQUEST, 0, 0, |
| "The request does not contain the 'svn:' " |
| "namespace, so it is not going to have " |
| "certain required elements"); |
| } |
| |
| for (child = doc->root->first_child; child != NULL; child = child->next) |
| { |
| /* if this element isn't one of ours, then skip it */ |
| if (child->ns != ns) |
| continue; |
| |
| if (strcmp(child->name, SVN_DAV__REVISION) == 0) |
| rev = SVN_STR_TO_REV(dav_xml_get_cdata(child, resource->pool, 1)); |
| else if (strcmp(child->name, SVN_DAV__INHERIT) == 0) |
| { |
| inherit = svn_inheritance_from_word( |
| dav_xml_get_cdata(child, resource->pool, 1)); |
| } |
| else if (strcmp(child->name, SVN_DAV__PATH) == 0) |
| { |
| const char *target; |
| const char *rel_path = dav_xml_get_cdata(child, resource->pool, 0); |
| if ((derr = dav_svn__test_canonical(rel_path, resource->pool))) |
| return derr; |
| |
| /* Force REL_PATH to be a relative path, not an fspath. */ |
| rel_path = svn_relpath_canonicalize(rel_path, resource->pool); |
| |
| /* Append the REL_PATH to the base FS path to get an |
| absolute repository path. */ |
| target = svn_fspath__join(resource->info->repos_path, rel_path, |
| resource->pool); |
| (*((const char **)(apr_array_push(paths)))) = target; |
| } |
| else if (strcmp(child->name, SVN_DAV__INCLUDE_DESCENDANTS) == 0) |
| { |
| const char *word = dav_xml_get_cdata(child, resource->pool, 1); |
| if (strcmp(word, "yes") == 0) |
| include_descendants = TRUE; |
| /* Else the client isn't supposed to send anyway, so just |
| leave it false. */ |
| } |
| /* else unknown element; skip it */ |
| } |
| |
| /* Build authz read baton */ |
| arb.r = resource->info->r; |
| arb.repos = resource->info->repos; |
| |
| /* Build mergeinfo brigade */ |
| bb = apr_brigade_create(resource->pool, output->c->bucket_alloc); |
| |
| serr = svn_repos_fs_get_mergeinfo(&catalog, repos->repos, paths, rev, |
| inherit, include_descendants, |
| dav_svn__authz_read_func(&arb), |
| &arb, resource->pool); |
| if (serr) |
| { |
| derr = dav_svn__convert_err(serr, HTTP_BAD_REQUEST, NULL, |
| resource->pool); |
| goto cleanup; |
| } |
| |
| serr = svn_mergeinfo__remove_prefix_from_catalog(&catalog, catalog, |
| resource->info->repos_path, |
| resource->pool); |
| if (serr) |
| { |
| derr = dav_svn__convert_err(serr, HTTP_BAD_REQUEST, NULL, |
| resource->pool); |
| goto cleanup; |
| } |
| |
| /* Ideally, dav_svn__brigade_printf() would set a flag in bb (or rather, |
| in r->sent_bodyct, see dav_method_report()), and ap_fflush() |
| would not set that flag unless it actually sent something. But |
| we are condemned to live in another universe, so we must keep |
| track ourselves of whether we've sent anything or not. See the |
| long comment after the 'cleanup' label for more details. */ |
| serr = dav_svn__brigade_puts(bb, output, |
| DAV_XML_HEADER DEBUG_CR |
| "<S:" SVN_DAV__MERGEINFO_REPORT " " |
| "xmlns:S=\"" SVN_XML_NAMESPACE "\" " |
| "xmlns:D=\"DAV:\">" DEBUG_CR); |
| if (serr) |
| { |
| derr = dav_svn__convert_err(serr, HTTP_BAD_REQUEST, NULL, |
| resource->pool); |
| goto cleanup; |
| } |
| |
| for (hi = apr_hash_first(resource->pool, catalog); hi; |
| hi = apr_hash_next(hi)) |
| { |
| const void *key; |
| void *value; |
| const char *path; |
| svn_mergeinfo_t mergeinfo; |
| svn_string_t *mergeinfo_string; |
| |
| apr_hash_this(hi, &key, NULL, &value); |
| path = key; |
| mergeinfo = value; |
| serr = svn_mergeinfo_to_string(&mergeinfo_string, mergeinfo, |
| resource->pool); |
| if (serr) |
| { |
| derr = dav_svn__convert_err(serr, HTTP_INTERNAL_SERVER_ERROR, |
| "Error ending REPORT response.", |
| resource->pool); |
| goto cleanup; |
| } |
| serr = dav_svn__brigade_printf |
| (bb, output, |
| "<S:" SVN_DAV__MERGEINFO_ITEM ">" |
| DEBUG_CR |
| "<S:" SVN_DAV__MERGEINFO_PATH ">%s</S:" SVN_DAV__MERGEINFO_PATH ">" |
| DEBUG_CR |
| "<S:" SVN_DAV__MERGEINFO_INFO ">%s</S:" SVN_DAV__MERGEINFO_INFO ">" |
| DEBUG_CR |
| "</S:" SVN_DAV__MERGEINFO_ITEM ">", |
| apr_xml_quote_string(resource->pool, path, 0), |
| apr_xml_quote_string(resource->pool, mergeinfo_string->data, 0)); |
| if (serr) |
| { |
| derr = dav_svn__convert_err(serr, HTTP_INTERNAL_SERVER_ERROR, |
| "Error ending REPORT response.", |
| resource->pool); |
| goto cleanup; |
| } |
| } |
| |
| if ((serr = dav_svn__brigade_puts(bb, output, |
| "</S:" SVN_DAV__MERGEINFO_REPORT ">" |
| DEBUG_CR))) |
| { |
| derr = dav_svn__convert_err(serr, HTTP_INTERNAL_SERVER_ERROR, |
| "Error ending REPORT response.", |
| resource->pool); |
| goto cleanup; |
| } |
| |
| cleanup: |
| |
| /* We've detected a 'high level' svn action to log. */ |
| dav_svn__operational_log(resource->info, |
| svn_log__get_mergeinfo(paths, inherit, |
| include_descendants, |
| resource->pool)); |
| |
| return dav_svn__final_flush_or_error(resource->info->r, bb, output, |
| derr, resource->pool); |
| } |
