/*
* property.c : property routines for ra_serf
*
* ====================================================================
* 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 <serf.h>
#include "svn_path.h"
#include "svn_base64.h"
#include "svn_xml.h"
#include "svn_props.h"
#include "svn_dirent_uri.h"
#include "private/svn_dav_protocol.h"
#include "private/svn_fspath.h"
#include "svn_private_config.h"
#include "ra_serf.h"
/* Our current parsing state we're in for the PROPFIND response. */
typedef enum prop_state_e {
NONE = 0,
RESPONSE,
PROP,
PROPVAL
} prop_state_e;
typedef struct prop_info_t {
apr_pool_t *pool;
/* Current ns, attribute name, and value of the property we're parsing */
const char *ns;
const char *name;
const char *val;
apr_size_t val_len;
const char *encoding;
} prop_info_t;
/*
* This structure represents a pending PROPFIND response.
*/
struct svn_ra_serf__propfind_context_t {
/* pool to issue allocations from */
apr_pool_t *pool;
svn_ra_serf__handler_t *handler;
/* associated serf session */
svn_ra_serf__session_t *sess;
svn_ra_serf__connection_t *conn;
/* the requested path */
const char *path;
/* the requested version (number and string form) */
svn_revnum_t rev;
const char *label;
/* the request depth */
const char *depth;
/* the list of requested properties */
const svn_ra_serf__dav_props_t *find_props;
/* hash table that will be updated with the properties
*
* This can be shared between multiple svn_ra_serf__propfind_context_t
* structures
*/
apr_hash_t *ret_props;
/* If we're dealing with a Depth: 1 response,
* we may be dealing with multiple paths.
*/
const char *current_path;
/* Returned status code. */
int status_code;
/* Are we done issuing the PROPFIND? */
svn_boolean_t done;
/* Context from XML stream */
svn_ra_serf__xml_parser_t *parser_ctx;
/* If not-NULL, add us to this list when we're done. */
svn_ra_serf__list_t **done_list;
svn_ra_serf__list_t done_item;
};
const svn_string_t *
svn_ra_serf__get_ver_prop_string(apr_hash_t *props,
const char *path,
svn_revnum_t rev,
const char *ns,
const char *name)
{
apr_hash_t *ver_props, *path_props, *ns_props;
void *val = NULL;
ver_props = apr_hash_get(props, &rev, sizeof(rev));
if (ver_props)
{
path_props = apr_hash_get(ver_props, path, APR_HASH_KEY_STRING);
if (path_props)
{
ns_props = apr_hash_get(path_props, ns, APR_HASH_KEY_STRING);
if (ns_props)
{
val = apr_hash_get(ns_props, name, APR_HASH_KEY_STRING);
}
}
}
return val;
}
const char *
svn_ra_serf__get_ver_prop(apr_hash_t *props,
const char *path,
svn_revnum_t rev,
const char *ns,
const char *name)
{
const svn_string_t *val;
val = svn_ra_serf__get_ver_prop_string(props, path, rev, ns, name);
if (val)
{
return val->data;
}
return NULL;
}
const svn_string_t *
svn_ra_serf__get_prop_string(apr_hash_t *props,
const char *path,
const char *ns,
const char *name)
{
return svn_ra_serf__get_ver_prop_string(props, path, SVN_INVALID_REVNUM,
ns, name);
}
const char *
svn_ra_serf__get_prop(apr_hash_t *props,
const char *path,
const char *ns,
const char *name)
{
return svn_ra_serf__get_ver_prop(props, path, SVN_INVALID_REVNUM, ns, name);
}
void
svn_ra_serf__set_ver_prop(apr_hash_t *props,
const char *path, svn_revnum_t rev,
const char *ns, const char *name,
const svn_string_t *val, apr_pool_t *pool)
{
apr_hash_t *ver_props, *path_props, *ns_props;
ver_props = apr_hash_get(props, &rev, sizeof(rev));
if (!ver_props)
{
ver_props = apr_hash_make(pool);
apr_hash_set(props, apr_pmemdup(pool, &rev, sizeof(rev)), sizeof(rev),
ver_props);
}
path_props = apr_hash_get(ver_props, path, APR_HASH_KEY_STRING);
if (!path_props)
{
path_props = apr_hash_make(pool);
path = apr_pstrdup(pool, path);
apr_hash_set(ver_props, path, APR_HASH_KEY_STRING, path_props);
/* todo: we know that we'll fail the next check, but fall through
* for now for simplicity's sake.
*/
}
ns_props = apr_hash_get(path_props, ns, APR_HASH_KEY_STRING);
if (!ns_props)
{
ns_props = apr_hash_make(pool);
ns = apr_pstrdup(pool, ns);
apr_hash_set(path_props, ns, APR_HASH_KEY_STRING, ns_props);
}
apr_hash_set(ns_props, name, APR_HASH_KEY_STRING, val);
}
void
svn_ra_serf__set_prop(apr_hash_t *props,
const char *path,
const char *ns, const char *name,
const svn_string_t *val, apr_pool_t *pool)
{
svn_ra_serf__set_ver_prop(props, path, SVN_INVALID_REVNUM, ns, name,
val, pool);
}
static prop_info_t *
push_state(svn_ra_serf__xml_parser_t *parser,
svn_ra_serf__propfind_context_t *propfind,
prop_state_e state)
{
svn_ra_serf__xml_push_state(parser, state);
if (state == PROPVAL)
{
prop_info_t *info;
info = apr_pcalloc(parser->state->pool, sizeof(*info));
info->pool = parser->state->pool;
parser->state->private = info;
}
return parser->state->private;
}
/*
* Expat callback invoked on a start element tag for a PROPFIND response.
*/
static svn_error_t *
start_propfind(svn_ra_serf__xml_parser_t *parser,
void *userData,
svn_ra_serf__dav_props_t name,
const char **attrs)
{
svn_ra_serf__propfind_context_t *ctx = userData;
prop_state_e state;
prop_info_t *info;
state = parser->state->current_state;
if (state == NONE && strcmp(name.name, "response") == 0)
{
svn_ra_serf__xml_push_state(parser, RESPONSE);
}
else if (state == RESPONSE && strcmp(name.name, "href") == 0)
{
info = push_state(parser, ctx, PROPVAL);
info->ns = name.namespace;
info->name = apr_pstrdup(info->pool, name.name);
}
else if (state == RESPONSE && strcmp(name.name, "prop") == 0)
{
push_state(parser, ctx, PROP);
}
else if (state == PROP)
{
info = push_state(parser, ctx, PROPVAL);
info->ns = name.namespace;
info->name = apr_pstrdup(info->pool, name.name);
info->encoding = apr_pstrdup(info->pool,
svn_xml_get_attr_value("V:encoding", attrs));
}
return SVN_NO_ERROR;
}
/*
* Expat callback invoked on an end element tag for a PROPFIND response.
*/
static svn_error_t *
end_propfind(svn_ra_serf__xml_parser_t *parser,
void *userData,
svn_ra_serf__dav_props_t name)
{
svn_ra_serf__propfind_context_t *ctx = userData;
prop_state_e state;
prop_info_t *info;
state = parser->state->current_state;
info = parser->state->private;
if (state == RESPONSE && strcmp(name.name, "response") == 0)
{
svn_ra_serf__xml_pop_state(parser);
}
else if (state == PROP && strcmp(name.name, "prop") == 0)
{
svn_ra_serf__xml_pop_state(parser);
}
else if (state == PROPVAL)
{
const char *ns, *pname, *val;
svn_string_t *val_str;
/* if we didn't see a CDATA element, we may want the tag name
* as long as it isn't equivalent to the property name.
*/
if (!info->val)
{
if (strcmp(info->name, name.name) != 0)
{
info->val = name.name;
info->val_len = strlen(info->val);
}
else
{
info->val = "";
info->val_len = 0;
}
}
if (parser->state->prev->current_state == RESPONSE &&
strcmp(name.name, "href") == 0)
{
if (strcmp(ctx->depth, "1") == 0)
{
ctx->current_path =
svn_urlpath__canonicalize(info->val, ctx->pool);
}
else
{
ctx->current_path = ctx->path;
}
}
else if (info->encoding)
{
if (strcmp(info->encoding, "base64") == 0)
{
svn_string_t encoded;
const svn_string_t *decoded;
encoded.data = info->val;
encoded.len = info->val_len;
decoded = svn_base64_decode_string(&encoded, parser->state->pool);
info->val = decoded->data;
info->val_len = decoded->len;
}
else
{
return svn_error_createf(SVN_ERR_RA_DAV_MALFORMED_DATA,
NULL,
_("Got unrecognized encoding '%s'"),
info->encoding);
}
}
ns = apr_pstrdup(ctx->pool, info->ns);
pname = apr_pstrdup(ctx->pool, info->name);
val = apr_pmemdup(ctx->pool, info->val, info->val_len);
val_str = svn_string_ncreate(val, info->val_len, ctx->pool);
/* set the return props and update our cache too. */
svn_ra_serf__set_ver_prop(ctx->ret_props,
ctx->current_path, ctx->rev,
ns, pname, val_str,
ctx->pool);
svn_ra_serf__xml_pop_state(parser);
}
return SVN_NO_ERROR;
}
/*
* Expat callback invoked on CDATA elements in a PROPFIND response.
*
* This callback can be called multiple times.
*/
static svn_error_t *
cdata_propfind(svn_ra_serf__xml_parser_t *parser,
void *userData,
const char *data,
apr_size_t len)
{
svn_ra_serf__propfind_context_t *ctx = userData;
prop_state_e state;
prop_info_t *info;
UNUSED_CTX(ctx);
state = parser->state->current_state;
info = parser->state->private;
if (state == PROPVAL)
{
svn_ra_serf__expand_string(&info->val, &info->val_len, data, len,
info->pool);
}
return SVN_NO_ERROR;
}
static svn_error_t *
setup_propfind_headers(serf_bucket_t *headers,
void *setup_baton,
apr_pool_t *pool)
{
svn_ra_serf__propfind_context_t *ctx = setup_baton;
if (ctx->conn->using_compression)
{
serf_bucket_headers_setn(headers, "Accept-Encoding", "gzip");
}
serf_bucket_headers_setn(headers, "Depth", ctx->depth);
if (ctx->label)
{
serf_bucket_headers_setn(headers, "Label", ctx->label);
}
return SVN_NO_ERROR;
}
#define PROPFIND_HEADER "<?xml version=\"1.0\" encoding=\"utf-8\"?><propfind xmlns=\"DAV:\">"
#define PROPFIND_TRAILER "</propfind>"
static svn_error_t *
create_propfind_body(serf_bucket_t **bkt,
void *setup_baton,
serf_bucket_alloc_t *alloc,
apr_pool_t *pool)
{
svn_ra_serf__propfind_context_t *ctx = setup_baton;
serf_bucket_t *body_bkt, *tmp;
const svn_ra_serf__dav_props_t *prop;
svn_boolean_t requested_allprop = FALSE;
body_bkt = serf_bucket_aggregate_create(alloc);
prop = ctx->find_props;
while (prop && prop->namespace)
{
/* special case the allprop case. */
if (strcmp(prop->name, "allprop") == 0)
{
requested_allprop = TRUE;
}
/* <*propname* xmlns="*propns*" /> */
tmp = SERF_BUCKET_SIMPLE_STRING_LEN("<", 1, alloc);
serf_bucket_aggregate_append(body_bkt, tmp);
tmp = SERF_BUCKET_SIMPLE_STRING(prop->name, alloc);
serf_bucket_aggregate_append(body_bkt, tmp);
tmp = SERF_BUCKET_SIMPLE_STRING_LEN(" xmlns=\"",
sizeof(" xmlns=\"")-1,
alloc);
serf_bucket_aggregate_append(body_bkt, tmp);
tmp = SERF_BUCKET_SIMPLE_STRING(prop->namespace, alloc);
serf_bucket_aggregate_append(body_bkt, tmp);
tmp = SERF_BUCKET_SIMPLE_STRING_LEN("\"/>", sizeof("\"/>")-1,
alloc);
serf_bucket_aggregate_append(body_bkt, tmp);
prop++;
}
/* If we're not doing an allprop, add <prop> tags. */
if (requested_allprop == FALSE)
{
tmp = SERF_BUCKET_SIMPLE_STRING_LEN("<prop>",
sizeof("<prop>")-1,
alloc);
serf_bucket_aggregate_prepend(body_bkt, tmp);
}
tmp = SERF_BUCKET_SIMPLE_STRING_LEN(PROPFIND_HEADER,
sizeof(PROPFIND_HEADER)-1,
alloc);
serf_bucket_aggregate_prepend(body_bkt, tmp);
if (requested_allprop == FALSE)
{
tmp = SERF_BUCKET_SIMPLE_STRING_LEN("</prop>",
sizeof("</prop>")-1,
alloc);
serf_bucket_aggregate_append(body_bkt, tmp);
}
tmp = SERF_BUCKET_SIMPLE_STRING_LEN(PROPFIND_TRAILER,
sizeof(PROPFIND_TRAILER)-1,
alloc);
serf_bucket_aggregate_append(body_bkt, tmp);
*bkt = body_bkt;
return SVN_NO_ERROR;
}
svn_error_t *
svn_ra_serf__deliver_props(svn_ra_serf__propfind_context_t **prop_ctx,
apr_hash_t *ret_props,
svn_ra_serf__session_t *sess,
svn_ra_serf__connection_t *conn,
const char *path,
svn_revnum_t rev,
const char *depth,
const svn_ra_serf__dav_props_t *find_props,
svn_ra_serf__list_t **done_list,
apr_pool_t *pool)
{
svn_ra_serf__propfind_context_t *new_prop_ctx;
svn_ra_serf__handler_t *handler;
svn_ra_serf__xml_parser_t *parser_ctx;
new_prop_ctx = apr_pcalloc(pool, sizeof(*new_prop_ctx));
new_prop_ctx->pool = apr_hash_pool_get(ret_props);
new_prop_ctx->path = path;
new_prop_ctx->find_props = find_props;
new_prop_ctx->ret_props = ret_props;
new_prop_ctx->depth = depth;
new_prop_ctx->done = FALSE;
new_prop_ctx->sess = sess;
new_prop_ctx->conn = conn;
new_prop_ctx->rev = rev;
new_prop_ctx->done_list = done_list;
if (SVN_IS_VALID_REVNUM(rev))
{
new_prop_ctx->label = apr_ltoa(pool, rev);
}
else
{
new_prop_ctx->label = NULL;
}
handler = apr_pcalloc(pool, sizeof(*handler));
handler->method = "PROPFIND";
handler->path = path;
handler->body_delegate = create_propfind_body;
handler->body_type = "text/xml";
handler->body_delegate_baton = new_prop_ctx;
handler->header_delegate = setup_propfind_headers;
handler->header_delegate_baton = new_prop_ctx;
handler->session = new_prop_ctx->sess;
handler->conn = new_prop_ctx->conn;
new_prop_ctx->handler = handler;
parser_ctx = apr_pcalloc(pool, sizeof(*new_prop_ctx->parser_ctx));
parser_ctx->pool = pool;
parser_ctx->user_data = new_prop_ctx;
parser_ctx->start = start_propfind;
parser_ctx->end = end_propfind;
parser_ctx->cdata = cdata_propfind;
parser_ctx->status_code = &new_prop_ctx->status_code;
parser_ctx->done = &new_prop_ctx->done;
parser_ctx->done_list = new_prop_ctx->done_list;
parser_ctx->done_item = &new_prop_ctx->done_item;
new_prop_ctx->parser_ctx = parser_ctx;
handler->response_handler = svn_ra_serf__handle_xml_parser;
handler->response_baton = parser_ctx;
/* create request */
svn_ra_serf__request_create(new_prop_ctx->handler);
*prop_ctx = new_prop_ctx;
return SVN_NO_ERROR;
}
svn_boolean_t
svn_ra_serf__propfind_is_done(svn_ra_serf__propfind_context_t *ctx)
{
return ctx->done;
}
int
svn_ra_serf__propfind_status_code(svn_ra_serf__propfind_context_t *ctx)
{
return ctx->status_code;
}
/*
* This helper function will block until the PROP_CTX indicates that is done
* or another error is returned.
*/
svn_error_t *
svn_ra_serf__wait_for_props(svn_ra_serf__propfind_context_t *prop_ctx,
svn_ra_serf__session_t *sess,
apr_pool_t *pool)
{
svn_error_t *err, *err2;
err = svn_ra_serf__context_run_wait(&prop_ctx->done, sess, pool);
err2 = svn_ra_serf__error_on_status(prop_ctx->status_code,
prop_ctx->path, NULL);
if (err2)
{
svn_error_clear(err);
return err2;
}
return err;
}
/*
* This is a blocking version of deliver_props.
*/
svn_error_t *
svn_ra_serf__retrieve_props(apr_hash_t **results,
svn_ra_serf__session_t *sess,
svn_ra_serf__connection_t *conn,
const char *url,
svn_revnum_t rev,
const char *depth,
const svn_ra_serf__dav_props_t *props,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool)
{
svn_ra_serf__propfind_context_t *prop_ctx;
*results = apr_hash_make(result_pool);
SVN_ERR(svn_ra_serf__deliver_props(&prop_ctx, *results, sess, conn, url,
rev, depth, props, NULL, result_pool));
SVN_ERR(svn_ra_serf__wait_for_props(prop_ctx, sess, result_pool));
return SVN_NO_ERROR;
}
svn_error_t *
svn_ra_serf__walk_all_props(apr_hash_t *props,
const char *name,
svn_revnum_t rev,
svn_ra_serf__walker_visitor_t walker,
void *baton,
apr_pool_t *scratch_pool)
{
apr_hash_index_t *ns_hi;
apr_hash_t *ver_props;
apr_hash_t *path_props;
apr_pool_t *iterpool;
ver_props = apr_hash_get(props, &rev, sizeof(rev));
if (!ver_props)
{
return SVN_NO_ERROR;
}
path_props = apr_hash_get(ver_props, name, APR_HASH_KEY_STRING);
if (!path_props)
{
return SVN_NO_ERROR;
}
iterpool = svn_pool_create(scratch_pool);
for (ns_hi = apr_hash_first(scratch_pool, path_props); ns_hi;
ns_hi = apr_hash_next(ns_hi))
{
void *ns_val;
const void *ns_name;
apr_hash_index_t *name_hi;
/* NOTE: We do not clear ITERPOOL in this loop. Generally, there are
very few namespaces, so this loop will not have many iterations.
Instead, ITERPOOL is used for the inner loop. */
apr_hash_this(ns_hi, &ns_name, NULL, &ns_val);
for (name_hi = apr_hash_first(scratch_pool, ns_val); name_hi;
name_hi = apr_hash_next(name_hi))
{
void *prop_val;
const void *prop_name;
/* See note above, regarding clearing of this pool. */
svn_pool_clear(iterpool);
apr_hash_this(name_hi, &prop_name, NULL, &prop_val);
SVN_ERR(walker(baton, ns_name, prop_name, prop_val, iterpool));
}
}
svn_pool_destroy(iterpool);
return SVN_NO_ERROR;
}
svn_error_t *
svn_ra_serf__walk_all_paths(apr_hash_t *props,
svn_revnum_t rev,
svn_ra_serf__path_rev_walker_t walker,
void *baton,
apr_pool_t *pool)
{
apr_hash_index_t *path_hi;
apr_hash_t *ver_props;
ver_props = apr_hash_get(props, &rev, sizeof(rev));
if (!ver_props)
{
return SVN_NO_ERROR;
}
for (path_hi = apr_hash_first(pool, ver_props); path_hi;
path_hi = apr_hash_next(path_hi))
{
void *path_props;
const void *path_name;
apr_ssize_t path_len;
apr_hash_index_t *ns_hi;
apr_hash_this(path_hi, &path_name, &path_len, &path_props);
for (ns_hi = apr_hash_first(pool, path_props); ns_hi;
ns_hi = apr_hash_next(ns_hi))
{
void *ns_val;
const void *ns_name;
apr_ssize_t ns_len;
apr_hash_index_t *name_hi;
apr_hash_this(ns_hi, &ns_name, &ns_len, &ns_val);
for (name_hi = apr_hash_first(pool, ns_val); name_hi;
name_hi = apr_hash_next(name_hi))
{
void *prop_val;
const void *prop_name;
apr_ssize_t prop_len;
apr_hash_this(name_hi, &prop_name, &prop_len, &prop_val);
/* use a subpool? */
SVN_ERR(walker(baton, path_name, path_len, ns_name, ns_len,
prop_name, prop_len, prop_val, pool));
}
}
}
return SVN_NO_ERROR;
}
const char *
svn_ra_serf__svnname_from_wirename(const char *ns,
const char *name,
apr_pool_t *result_pool)
{
if (*ns == '\0' || strcmp(ns, SVN_DAV_PROP_NS_CUSTOM) == 0)
return apr_pstrdup(result_pool, name);
if (strcmp(ns, SVN_DAV_PROP_NS_SVN) == 0)
return apr_pstrcat(result_pool, SVN_PROP_PREFIX, name, (char *)NULL);
if (strcmp(ns, SVN_PROP_PREFIX) == 0)
return apr_pstrcat(result_pool, SVN_PROP_PREFIX, name, (char *)NULL);
if (strcmp(name, SVN_DAV__VERSION_NAME) == 0)
return SVN_PROP_ENTRY_COMMITTED_REV;
if (strcmp(name, SVN_DAV__CREATIONDATE) == 0)
return SVN_PROP_ENTRY_COMMITTED_DATE;
if (strcmp(name, "creator-displayname") == 0)
return SVN_PROP_ENTRY_LAST_AUTHOR;
if (strcmp(name, "repository-uuid") == 0)
return SVN_PROP_ENTRY_UUID;
if (strcmp(name, "lock-token") == 0)
return SVN_PROP_ENTRY_LOCK_TOKEN;
if (strcmp(name, "checked-in") == 0)
return SVN_RA_SERF__WC_CHECKED_IN_URL;
if (strcmp(ns, "DAV:") == 0 || strcmp(ns, SVN_DAV_PROP_NS_DAV) == 0)
{
/* Here DAV: properties not yet converted to svn: properties should be
ignored. */
return NULL;
}
/* An unknown namespace, must be a custom property. */
return apr_pstrcat(result_pool, ns, name, (char *)NULL);
}
/* Conforms to svn_ra_serf__walker_visitor_t */
static svn_error_t *
set_flat_props(void *baton,
const char *ns,
const char *name,
const svn_string_t *value,
apr_pool_t *pool)
{
apr_hash_t *props = baton;
apr_pool_t *result_pool = apr_hash_pool_get(props);
const char *prop_name;
/* ### is VAL in the proper pool? */
prop_name = svn_ra_serf__svnname_from_wirename(ns, name, result_pool);
if (prop_name != NULL)
apr_hash_set(props, prop_name, APR_HASH_KEY_STRING, value);
return SVN_NO_ERROR;
}
svn_error_t *
svn_ra_serf__flatten_props(apr_hash_t **flat_props,
apr_hash_t *props,
const char *path,
svn_revnum_t revision,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool)
{
*flat_props = apr_hash_make(result_pool);
return svn_error_trace(svn_ra_serf__walk_all_props(
props, path, revision,
set_flat_props,
*flat_props /* baton */,
scratch_pool));
}
static svn_error_t *
select_revprops(void *baton,
const char *ns,
const char *name,
const svn_string_t *val,
apr_pool_t *scratch_pool)
{
apr_hash_t *revprops = baton;
apr_pool_t *result_pool = apr_hash_pool_get(revprops);
const char *prop_name;
/* ### copy NAME into the RESULT_POOL? */
/* ### copy VAL into the RESULT_POOL? */
if (strcmp(ns, SVN_DAV_PROP_NS_CUSTOM) == 0)
prop_name = name;
else if (strcmp(ns, SVN_DAV_PROP_NS_SVN) == 0)
prop_name = apr_pstrcat(result_pool, SVN_PROP_PREFIX, name, (char *)NULL);
else if (strcmp(ns, SVN_PROP_PREFIX) == 0)
prop_name = apr_pstrcat(result_pool, SVN_PROP_PREFIX, name, (char *)NULL);
else if (strcmp(ns, "") == 0)
prop_name = name;
else
{
/* do nothing for now? */
return SVN_NO_ERROR;
}
apr_hash_set(revprops, prop_name, APR_HASH_KEY_STRING, val);
return SVN_NO_ERROR;
}
svn_error_t *
svn_ra_serf__select_revprops(apr_hash_t **revprops,
const char *name,
svn_revnum_t rev,
apr_hash_t *all_revprops,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool)
{
*revprops = apr_hash_make(result_pool);
return svn_error_trace(svn_ra_serf__walk_all_props(
all_revprops, name, rev,
select_revprops, *revprops,
scratch_pool));
}
/*
* Contact the server (using SESSION and CONN) to calculate baseline
* information for BASELINE_URL at REVISION (which may be
* SVN_INVALID_REVNUM to query the HEAD revision).
*
* If ACTUAL_REVISION is non-NULL, set *ACTUAL_REVISION to revision
* retrieved from the server as part of this process (which should
* match REVISION when REVISION is valid). Set *BASECOLL_URL_P to the
* baseline collection URL.
*/
static svn_error_t *
retrieve_baseline_info(svn_revnum_t *actual_revision,
const char **basecoll_url_p,
svn_ra_serf__session_t *session,
svn_ra_serf__connection_t *conn,
const char *baseline_url,
svn_revnum_t revision,
apr_pool_t *pool)
{
apr_hash_t *props;
const char *basecoll_url;
const char *version_name;
SVN_ERR(svn_ra_serf__retrieve_props(&props, session, conn,
baseline_url, revision, "0",
baseline_props,
pool, pool));
basecoll_url = svn_ra_serf__get_ver_prop(props, baseline_url, revision,
"DAV:", "baseline-collection");
if (!basecoll_url)
{
return svn_error_create(SVN_ERR_RA_DAV_PROPS_NOT_FOUND, NULL,
_("The PROPFIND response did not include "
"the requested baseline-collection value"));
}
*basecoll_url_p = svn_urlpath__canonicalize(basecoll_url, pool);
version_name = svn_ra_serf__get_ver_prop(props, baseline_url, revision,
"DAV:", SVN_DAV__VERSION_NAME);
if (!version_name)
{
return svn_error_create(SVN_ERR_RA_DAV_PROPS_NOT_FOUND, NULL,
_("The PROPFIND response did not include "
"the requested version-name value"));
}
if (actual_revision)
{
*actual_revision = SVN_STR_TO_REV(version_name);
}
return SVN_NO_ERROR;
}
svn_error_t *
svn_ra_serf__get_baseline_info(const char **bc_url,
const char **bc_relative,
svn_ra_serf__session_t *session,
svn_ra_serf__connection_t *conn,
const char *url,
svn_revnum_t revision,
svn_revnum_t *latest_revnum,
apr_pool_t *pool)
{
const char *vcc_url, *relative_url, *basecoll_url, *baseline_url;
/* No URL? No sweat. We'll use the session URL. */
if (! url)
url = session->session_url.path;
/* If the caller didn't provide a specific connection for us to use,
we'll use the default one. */
if (! conn)
conn = session->conns[0];
/* If we detected HTTP v2 support on the server, we can construct
the baseline collection URL ourselves, and fetch the latest
revision (if needed) with an OPTIONS request. */
if (SVN_RA_SERF__HAVE_HTTPV2_SUPPORT(session))
{
basecoll_url = apr_psprintf(pool, "%s/%ld",
session->rev_root_stub, revision);
if (latest_revnum)
{
if (SVN_IS_VALID_REVNUM(revision))
{
*latest_revnum = revision;
}
else
{
svn_ra_serf__options_context_t *opt_ctx;
SVN_ERR(svn_ra_serf__create_options_req(&opt_ctx, session, conn,
session->session_url.path,
pool));
SVN_ERR(svn_ra_serf__context_run_wait(
svn_ra_serf__get_options_done_ptr(opt_ctx), session, pool));
*latest_revnum = svn_ra_serf__options_get_youngest_rev(opt_ctx);
if (! SVN_IS_VALID_REVNUM(*latest_revnum))
return svn_error_create(SVN_ERR_RA_DAV_OPTIONS_REQ_FAILED, NULL,
_("The OPTIONS response did not include "
"the youngest revision"));
}
}
}
/* Otherwise, we fall back to the old VCC_URL PROPFIND hunt. */
else
{
SVN_ERR(svn_ra_serf__discover_vcc(&vcc_url, session, conn, pool));
if (revision != SVN_INVALID_REVNUM)
{
/* First check baseline information cache. */
SVN_ERR(svn_ra_serf__blncache_get_bc_url(&basecoll_url,
session->blncache,
revision, pool));
if (!basecoll_url)
{
SVN_ERR(retrieve_baseline_info(NULL, &basecoll_url, session,
conn, vcc_url, revision, pool));
SVN_ERR(svn_ra_serf__blncache_set(session->blncache, NULL,
revision, basecoll_url, pool));
}
if (latest_revnum)
{
*latest_revnum = revision;
}
}
else
{
apr_hash_t *props;
svn_revnum_t actual_revision;
SVN_ERR(svn_ra_serf__retrieve_props(&props, session, conn,
vcc_url, revision, "0",
checked_in_props,
pool, pool));
baseline_url = svn_ra_serf__get_ver_prop(props, vcc_url, revision,
"DAV:", "checked-in");
if (!baseline_url)
{
return svn_error_create(SVN_ERR_RA_DAV_OPTIONS_REQ_FAILED, NULL,
_("The OPTIONS response did not include "
"the requested checked-in value"));
}
baseline_url = svn_urlpath__canonicalize(baseline_url, pool);
/* First check baseline information cache. */
SVN_ERR(svn_ra_serf__blncache_get_baseline_info(&basecoll_url,
&actual_revision,
session->blncache,
baseline_url,
pool));
if (!basecoll_url)
{
SVN_ERR(retrieve_baseline_info(&actual_revision, &basecoll_url,
session, conn,
baseline_url, revision, pool));
SVN_ERR(svn_ra_serf__blncache_set(session->blncache,
baseline_url, actual_revision,
basecoll_url, pool));
}
if (latest_revnum)
{
*latest_revnum = actual_revision;
}
}
}
/* And let's not forget to calculate our relative path. */
SVN_ERR(svn_ra_serf__get_relative_path(&relative_url, url, session,
conn, pool));
*bc_url = basecoll_url;
*bc_relative = relative_url;
return SVN_NO_ERROR;
}
svn_error_t *
svn_ra_serf__get_resource_type(svn_node_kind_t *kind,
apr_hash_t *props,
const char *url,
svn_revnum_t revision)
{
const char *res_type;
res_type = svn_ra_serf__get_ver_prop(props, url, revision,
"DAV:", "resourcetype");
if (!res_type)
{
/* How did this happen? */
return svn_error_create(SVN_ERR_RA_DAV_PROPS_NOT_FOUND, NULL,
_("The PROPFIND response did not include the "
"requested resourcetype value"));
}
if (strcmp(res_type, "collection") == 0)
{
*kind = svn_node_dir;
}
else
{
*kind = svn_node_file;
}
return SVN_NO_ERROR;
}