| /* |
| * inherited_props.c : ra_serf implementation of svn_ra_get_inherited_props |
| * |
| * ==================================================================== |
| * 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_tables.h> |
| #include <apr_xml.h> |
| |
| #include "svn_hash.h" |
| #include "svn_path.h" |
| #include "svn_ra.h" |
| #include "svn_sorts.h" |
| #include "svn_string.h" |
| #include "svn_xml.h" |
| #include "svn_props.h" |
| #include "svn_base64.h" |
| |
| #include "private/svn_dav_protocol.h" |
| #include "private/svn_sorts_private.h" |
| #include "../libsvn_ra/ra_loader.h" |
| #include "svn_private_config.h" |
| #include "ra_serf.h" |
| |
| |
| /* The current state of our XML parsing. */ |
| typedef enum iprops_state_e { |
| INITIAL = XML_STATE_INITIAL, |
| IPROPS_REPORT, |
| IPROPS_ITEM, |
| IPROPS_PATH, |
| IPROPS_PROPNAME, |
| IPROPS_PROPVAL |
| } iprops_state_e; |
| |
| /* Struct for accumulating inherited props. */ |
| typedef struct iprops_context_t { |
| /* The depth-first ordered array of svn_prop_inherited_item_t * |
| structures we are building. */ |
| apr_array_header_t *iprops; |
| |
| /* Pool in which to allocate elements of IPROPS. */ |
| apr_pool_t *pool; |
| |
| /* The repository's root URL. */ |
| const char *repos_root_url; |
| |
| /* Current property name */ |
| svn_stringbuf_t *curr_propname; |
| |
| /* Current element in IPROPS. */ |
| svn_prop_inherited_item_t *curr_iprop; |
| |
| /* Path we are finding inherited properties for. This is relative to |
| the RA session passed to svn_ra_serf__get_inherited_props. */ |
| const char *path; |
| /* The revision of PATH*/ |
| svn_revnum_t revision; |
| } iprops_context_t; |
| |
| #define S_ SVN_XML_NAMESPACE |
| static const svn_ra_serf__xml_transition_t iprops_table[] = { |
| { INITIAL, S_, SVN_DAV__INHERITED_PROPS_REPORT, IPROPS_REPORT, |
| FALSE, { NULL }, FALSE }, |
| |
| { IPROPS_REPORT, S_, SVN_DAV__IPROP_ITEM, IPROPS_ITEM, |
| FALSE, { NULL }, TRUE }, |
| |
| { IPROPS_ITEM, S_, SVN_DAV__IPROP_PATH, IPROPS_PATH, |
| TRUE, { NULL }, TRUE }, |
| |
| { IPROPS_ITEM, S_, SVN_DAV__IPROP_PROPNAME, IPROPS_PROPNAME, |
| TRUE, { NULL }, TRUE }, |
| |
| { IPROPS_ITEM, S_, SVN_DAV__IPROP_PROPVAL, IPROPS_PROPVAL, |
| TRUE, { "?V:encoding", NULL }, TRUE }, |
| |
| { 0 } |
| }; |
| |
| /* Conforms to svn_ra_serf__xml_opened_t */ |
| static svn_error_t * |
| iprops_opened(svn_ra_serf__xml_estate_t *xes, |
| void *baton, |
| int entered_state, |
| const svn_ra_serf__dav_props_t *tag, |
| apr_pool_t *scratch_pool) |
| { |
| iprops_context_t *iprops_ctx = baton; |
| |
| if (entered_state == IPROPS_ITEM) |
| { |
| svn_stringbuf_setempty(iprops_ctx->curr_propname); |
| |
| iprops_ctx->curr_iprop = apr_pcalloc(iprops_ctx->pool, |
| sizeof(*iprops_ctx->curr_iprop)); |
| |
| iprops_ctx->curr_iprop->prop_hash = apr_hash_make(iprops_ctx->pool); |
| } |
| return SVN_NO_ERROR; |
| } |
| |
| /* Conforms to svn_ra_serf__xml_closed_t */ |
| static svn_error_t * |
| iprops_closed(svn_ra_serf__xml_estate_t *xes, |
| void *baton, |
| int leaving_state, |
| const svn_string_t *cdata, |
| apr_hash_t *attrs, |
| apr_pool_t *scratch_pool) |
| { |
| iprops_context_t *iprops_ctx = baton; |
| |
| if (leaving_state == IPROPS_ITEM) |
| { |
| APR_ARRAY_PUSH(iprops_ctx->iprops, svn_prop_inherited_item_t *) = |
| iprops_ctx->curr_iprop; |
| |
| iprops_ctx->curr_iprop = NULL; |
| } |
| else if (leaving_state == IPROPS_PATH) |
| { |
| /* Every <iprop-item> has a single <iprop-path> */ |
| if (iprops_ctx->curr_iprop->path_or_url) |
| return svn_error_create(SVN_ERR_XML_MALFORMED, NULL, NULL); |
| |
| iprops_ctx->curr_iprop->path_or_url = |
| apr_pstrdup(iprops_ctx->pool, cdata->data); |
| } |
| else if (leaving_state == IPROPS_PROPNAME) |
| { |
| if (iprops_ctx->curr_propname->len) |
| return svn_error_create(SVN_ERR_XML_MALFORMED, NULL, NULL); |
| |
| /* Store propname for value */ |
| svn_stringbuf_set(iprops_ctx->curr_propname, cdata->data); |
| } |
| else if (leaving_state == IPROPS_PROPVAL) |
| { |
| const char *encoding; |
| const svn_string_t *val_str; |
| |
| if (! iprops_ctx->curr_propname->len) |
| return svn_error_create(SVN_ERR_XML_MALFORMED, NULL, NULL); |
| |
| encoding = svn_hash_gets(attrs, "V:encoding"); |
| |
| if (encoding) |
| { |
| if (strcmp(encoding, "base64") != 0) |
| return svn_error_createf(SVN_ERR_XML_MALFORMED, |
| NULL, |
| _("Got unrecognized encoding '%s'"), |
| encoding); |
| |
| /* Decode into the right pool. */ |
| val_str = svn_base64_decode_string(cdata, iprops_ctx->pool); |
| } |
| else |
| { |
| /* Copy into the right pool. */ |
| val_str = svn_string_dup(cdata, iprops_ctx->pool); |
| } |
| |
| svn_hash_sets(iprops_ctx->curr_iprop->prop_hash, |
| apr_pstrdup(iprops_ctx->pool, |
| iprops_ctx->curr_propname->data), |
| val_str); |
| /* Clear current propname. */ |
| svn_stringbuf_setempty(iprops_ctx->curr_propname); |
| } |
| else |
| SVN_ERR_MALFUNCTION(); /* Invalid transition table */ |
| |
| return SVN_NO_ERROR; |
| } |
| |
| static svn_error_t * |
| create_iprops_body(serf_bucket_t **bkt, |
| void *baton, |
| serf_bucket_alloc_t *alloc, |
| apr_pool_t *pool /* request pool */, |
| apr_pool_t *scratch_pool) |
| { |
| iprops_context_t *iprops_ctx = baton; |
| serf_bucket_t *body_bkt; |
| |
| body_bkt = serf_bucket_aggregate_create(alloc); |
| |
| svn_ra_serf__add_open_tag_buckets(body_bkt, alloc, |
| "S:" SVN_DAV__INHERITED_PROPS_REPORT, |
| "xmlns:S", SVN_XML_NAMESPACE, |
| SVN_VA_NULL); |
| svn_ra_serf__add_tag_buckets(body_bkt, |
| "S:" SVN_DAV__REVISION, |
| apr_ltoa(pool, iprops_ctx->revision), |
| alloc); |
| svn_ra_serf__add_tag_buckets(body_bkt, "S:" SVN_DAV__PATH, |
| iprops_ctx->path, alloc); |
| svn_ra_serf__add_close_tag_buckets(body_bkt, alloc, |
| "S:" SVN_DAV__INHERITED_PROPS_REPORT); |
| *bkt = body_bkt; |
| return SVN_NO_ERROR; |
| } |
| |
| /* Per request information for get_iprops_via_more_requests */ |
| typedef struct iprop_rq_info_t |
| { |
| const char *relpath; |
| const char *urlpath; |
| apr_hash_t *props; |
| svn_ra_serf__handler_t *handler; |
| } iprop_rq_info_t; |
| |
| |
| /* Assumes session reparented to the repository root. The old session |
| root is passed as session_url */ |
| static svn_error_t * |
| get_iprops_via_more_requests(svn_ra_session_t *ra_session, |
| apr_array_header_t **iprops, |
| const char *session_url, |
| const char *path, |
| svn_revnum_t revision, |
| apr_pool_t *result_pool, |
| apr_pool_t *scratch_pool) |
| { |
| svn_ra_serf__session_t *session = ra_session->priv; |
| const char *url; |
| const char *relpath; |
| apr_array_header_t *rq_info; |
| apr_pool_t *iterpool = svn_pool_create(scratch_pool); |
| apr_interval_time_t waittime_left = session->timeout; |
| const svn_revnum_t rev_marker = SVN_INVALID_REVNUM; |
| int i; |
| |
| rq_info = apr_array_make(scratch_pool, 16, sizeof(iprop_rq_info_t *)); |
| |
| if (!svn_path_is_empty(path)) |
| url = svn_path_url_add_component2(session_url, path, scratch_pool); |
| else |
| url = session_url; |
| |
| relpath = svn_uri_skip_ancestor(session->repos_root_str, url, scratch_pool); |
| |
| /* Create all requests */ |
| while (relpath[0] != '\0') |
| { |
| iprop_rq_info_t *rq = apr_pcalloc(scratch_pool, sizeof(*rq)); |
| |
| relpath = svn_relpath_dirname(relpath, scratch_pool); |
| |
| rq->relpath = relpath; |
| rq->props = apr_hash_make(scratch_pool); |
| |
| SVN_ERR(svn_ra_serf__get_stable_url(&rq->urlpath, NULL, session, |
| svn_path_url_add_component2( |
| session->repos_root.path, |
| relpath, scratch_pool), |
| revision, |
| scratch_pool, scratch_pool)); |
| |
| SVN_ERR(svn_ra_serf__create_propfind_handler( |
| &rq->handler, session, |
| rq->urlpath, |
| rev_marker, "0", all_props, |
| svn_ra_serf__deliver_svn_props, |
| rq->props, |
| scratch_pool)); |
| |
| /* Allow ignoring authz problems */ |
| rq->handler->no_fail_on_http_failure_status = TRUE; |
| |
| svn_ra_serf__request_create(rq->handler); |
| |
| APR_ARRAY_PUSH(rq_info, iprop_rq_info_t *) = rq; |
| } |
| |
| while (TRUE) |
| { |
| svn_pool_clear(iterpool); |
| |
| SVN_ERR(svn_ra_serf__context_run(session, &waittime_left, iterpool)); |
| |
| for (i = 0; i < rq_info->nelts; i++) |
| { |
| iprop_rq_info_t *rq = APR_ARRAY_IDX(rq_info, i, iprop_rq_info_t *); |
| |
| if (!rq->handler->done) |
| break; |
| } |
| |
| if (i >= rq_info->nelts) |
| break; /* All requests done */ |
| } |
| |
| *iprops = apr_array_make(result_pool, rq_info->nelts, |
| sizeof(svn_prop_inherited_item_t *)); |
| |
| /* And now create the result set */ |
| for (i = 0; i < rq_info->nelts; i++) |
| { |
| iprop_rq_info_t *rq = APR_ARRAY_IDX(rq_info, i, iprop_rq_info_t *); |
| apr_hash_t *node_props; |
| svn_prop_inherited_item_t *new_iprop; |
| |
| if (rq->handler->sline.code != 207 && rq->handler->sline.code != 403) |
| { |
| if (rq->handler->server_error) |
| SVN_ERR(svn_ra_serf__server_error_create(rq->handler, |
| scratch_pool)); |
| |
| return svn_error_trace(svn_ra_serf__unexpected_status(rq->handler)); |
| } |
| |
| node_props = rq->props; |
| |
| svn_ra_serf__keep_only_regular_props(node_props, scratch_pool); |
| |
| if (!apr_hash_count(node_props)) |
| continue; |
| |
| new_iprop = apr_palloc(result_pool, sizeof(*new_iprop)); |
| new_iprop->path_or_url = apr_pstrdup(result_pool, rq->relpath); |
| new_iprop->prop_hash = svn_prop_hash_dup(node_props, result_pool); |
| svn_sort__array_insert(*iprops, &new_iprop, 0); |
| } |
| |
| return SVN_NO_ERROR; |
| } |
| |
| /* Request a inherited-props-report from the URL attached to RA_SESSION, |
| and fill the IPROPS array hash with the results. */ |
| svn_error_t * |
| svn_ra_serf__get_inherited_props(svn_ra_session_t *ra_session, |
| apr_array_header_t **iprops, |
| const char *path, |
| svn_revnum_t revision, |
| apr_pool_t *result_pool, |
| apr_pool_t *scratch_pool) |
| { |
| iprops_context_t *iprops_ctx; |
| svn_ra_serf__session_t *session = ra_session->priv; |
| svn_ra_serf__handler_t *handler; |
| svn_ra_serf__xml_context_t *xmlctx; |
| const char *req_url; |
| svn_boolean_t iprop_capable; |
| |
| SVN_ERR(svn_ra_serf__has_capability(ra_session, &iprop_capable, |
| SVN_RA_CAPABILITY_INHERITED_PROPS, |
| scratch_pool)); |
| |
| if (!iprop_capable) |
| { |
| svn_error_t *err; |
| const char *reparent_uri = NULL; |
| const char *session_uri; |
| const char *repos_root_url; |
| |
| SVN_ERR(svn_ra_serf__get_repos_root(ra_session, &repos_root_url, |
| scratch_pool)); |
| |
| session_uri = apr_pstrdup(scratch_pool, session->session_url_str); |
| if (strcmp(repos_root_url, session->session_url_str) != 0) |
| { |
| reparent_uri = session_uri; |
| SVN_ERR(svn_ra_serf__reparent(ra_session, repos_root_url, |
| scratch_pool)); |
| } |
| |
| err = get_iprops_via_more_requests(ra_session, iprops, session_uri, path, |
| revision, result_pool, scratch_pool); |
| |
| if (reparent_uri) |
| err = svn_error_compose_create(err, |
| svn_ra_serf__reparent(ra_session, |
| reparent_uri , |
| scratch_pool)); |
| |
| return svn_error_trace(err); |
| } |
| |
| SVN_ERR(svn_ra_serf__get_stable_url(&req_url, |
| NULL /* latest_revnum */, |
| session, |
| NULL /* url */, |
| revision, |
| scratch_pool, scratch_pool)); |
| |
| SVN_ERR_ASSERT(session->repos_root_str); |
| |
| iprops_ctx = apr_pcalloc(scratch_pool, sizeof(*iprops_ctx)); |
| iprops_ctx->repos_root_url = session->repos_root_str; |
| iprops_ctx->pool = result_pool; |
| iprops_ctx->curr_propname = svn_stringbuf_create_empty(scratch_pool); |
| iprops_ctx->curr_iprop = NULL; |
| iprops_ctx->iprops = apr_array_make(result_pool, 1, |
| sizeof(svn_prop_inherited_item_t *)); |
| iprops_ctx->path = path; |
| iprops_ctx->revision = revision; |
| |
| xmlctx = svn_ra_serf__xml_context_create(iprops_table, |
| iprops_opened, iprops_closed, |
| NULL, |
| iprops_ctx, |
| scratch_pool); |
| handler = svn_ra_serf__create_expat_handler(session, xmlctx, NULL, |
| scratch_pool); |
| |
| handler->method = "REPORT"; |
| handler->path = req_url; |
| |
| handler->body_delegate = create_iprops_body; |
| handler->body_delegate_baton = iprops_ctx; |
| handler->body_type = "text/xml"; |
| |
| SVN_ERR(svn_ra_serf__context_run_one(handler, scratch_pool)); |
| |
| if (handler->sline.code != 200) |
| return svn_error_trace(svn_ra_serf__unexpected_status(handler)); |
| |
| *iprops = iprops_ctx->iprops; |
| |
| return SVN_NO_ERROR; |
| } |