Ejemplo n.º 1
0
static int
db_exists(dav_db *db, const dav_prop_name *name)
{
  const char *propname;
  svn_string_t *propval;
  svn_error_t *serr;
  int retval;

  /* get the repos-local name */
  get_repos_propname(db, name, &propname);

  /* ### non-svn props aren't in our repos */
  if (propname == NULL)
    return 0;

  /* Working Baseline, Baseline, or (Working) Version resource */
  if (db->resource->baselined)
    if (db->resource->type == DAV_RESOURCE_TYPE_WORKING)
      serr = svn_fs_txn_prop(&propval, db->resource->info->root.txn,
                             propname, db->p);
    else
      serr = svn_repos_fs_revision_prop(&propval,
                                        db->resource->info->repos->repos,
                                        db->resource->info->root.rev,
                                        propname,
                                        db->authz_read_func,
                                        db->authz_read_baton, db->p);
  else
    serr = svn_fs_node_prop(&propval, db->resource->info->root.root,
                            get_repos_path(db->resource->info),
                            propname, db->p);

  /* ### try and dispose of the value? */

  retval = (serr == NULL && propval != NULL);
  svn_error_clear(serr);
  return retval;
}
Ejemplo n.º 2
0
static dav_error *
get_value(dav_db *db, const dav_prop_name *name, svn_string_t **pvalue)
{
  const char *propname;
  svn_error_t *serr;

  /* get the repos-local name */
  get_repos_propname(db, name, &propname);

  if (propname == NULL)
    {
      /* we know these are not present. */
      *pvalue = NULL;
      return NULL;
    }

  /* ### if db->props exists, then try in there first */

  /* We've got three different types of properties (node, txn, and
     revision), and we've got two different protocol versions to deal
     with.  Let's try to make some sense of this, shall we?

        HTTP v1:
          working baseline ('wbl') resource        -> txn prop change
          non-working, baselined resource ('bln')  -> rev prop change [*]
          working, non-baselined resource ('wrk')  -> node prop change

        HTTP v2:
          transaction resource ('txn')             -> txn prop change
          revision resource ('rev')                -> rev prop change
          transaction root resource ('txr')        -> node prop change

     [*] This is a violation of the DeltaV spec (### see issue #916).

  */

  if (db->resource->baselined)
    {
      if (db->resource->type == DAV_RESOURCE_TYPE_WORKING)
        serr = svn_fs_txn_prop(pvalue, db->resource->info->root.txn,
                               propname, db->p);
      else
        serr = svn_repos_fs_revision_prop(pvalue,
                                          db->resource->info-> repos->repos,
                                          db->resource->info->root.rev,
                                          propname, db->authz_read_func,
                                          db->authz_read_baton, db->p);
    }
  else if (db->resource->info->restype == DAV_SVN_RESTYPE_TXN_COLLECTION)
    {
      serr = svn_fs_txn_prop(pvalue, db->resource->info->root.txn,
                             propname, db->p);
    }
  else
    {
      serr = svn_fs_node_prop(pvalue, db->resource->info->root.root,
                              get_repos_path(db->resource->info),
                              propname, db->p);
    }

  if (serr != NULL)
    return dav_svn__convert_err(serr, HTTP_INTERNAL_SERVER_ERROR,
                                "could not fetch a property",
                                db->resource->pool);

  return NULL;
}
Ejemplo n.º 3
0
static dav_prop_insert
insert_prop_internal(const dav_resource *resource,
                     int propid,
                     dav_prop_insert what,
                     apr_text_header *phdr,
                     apr_pool_t *scratch_pool,
                     apr_pool_t *result_pool)
{
  const char *value = NULL;
  const char *s;
  const dav_liveprop_spec *info;
  int global_ns;
  svn_error_t *serr;

  /*
  ** Almost none of the SVN provider properties are defined if the
  ** resource does not exist.  We do need to return the one VCC
  ** property and baseline-relative-path on lock-null resources,
  ** however, so that svn clients can run 'svn unlock' and 'svn info'
  ** on these things.
  **
  ** Even though we state that the SVN properties are not defined, the
  ** client cannot store dead values -- we deny that thru the is_writable
  ** hook function.
  */
  if ((! resource->exists)
      && (propid != DAV_PROPID_version_controlled_configuration)
      && (propid != SVN_PROPID_baseline_relative_path))
    return DAV_PROP_INSERT_NOTSUPP;

  /* ### we may want to respond to DAV_PROPID_resourcetype for PRIVATE
     ### resources. need to think on "proper" interaction with mod_dav */

  switch (propid)
    {
    case DAV_PROPID_getlastmodified:
    case DAV_PROPID_creationdate:
      {
        /* In subversion terms, the date attached to a file's CR is
           the true "last modified" time.  However, we're defining
           creationdate in the same way.  IMO, the "creationdate" is
           really the date attached to the revision in which the item
           *first* came into existence; this would found by tracing
           back through the log of the file -- probably via
           svn_fs_revisions_changed.  gstein, is it a bad thing that
           we're currently using 'creationdate' to mean the same thing
           as 'last modified date'?  */
        const char *datestring;
        apr_time_t timeval;
        enum time_format format;

        /* ### for now, our global VCC has no such property. */
        if (resource->type == DAV_RESOURCE_TYPE_PRIVATE
            && (resource->info->restype == DAV_SVN_RESTYPE_VCC
                || resource->info->restype == DAV_SVN_RESTYPE_ME))
          {
            return DAV_PROP_INSERT_NOTSUPP;
          }

        if (propid == DAV_PROPID_creationdate)
          {
            /* Return an ISO8601 date; this is what the svn client
               expects, and rfc2518 demands it. */
            format = time_format_iso8601;
          }
        else /* propid == DAV_PROPID_getlastmodified */
          {
            format = time_format_rfc1123;
          }

        if (0 != get_last_modified_time(&datestring, &timeval,
                                        resource, format, scratch_pool))
          {
            return DAV_PROP_INSERT_NOTDEF;
          }

        value = apr_xml_quote_string(scratch_pool, datestring, 1);
        break;
      }

    case DAV_PROPID_creator_displayname:
      {
        svn_revnum_t committed_rev = SVN_INVALID_REVNUM;
        svn_string_t *last_author = NULL;

        /* ### for now, our global VCC has no such property. */
        if (resource->type == DAV_RESOURCE_TYPE_PRIVATE
            && (resource->info->restype == DAV_SVN_RESTYPE_VCC
                || resource->info->restype == DAV_SVN_RESTYPE_ME))
          {
            return DAV_PROP_INSERT_NOTSUPP;
          }

        if (resource->baselined && resource->type == DAV_RESOURCE_TYPE_VERSION)
          {
            /* A baseline URI. */
            committed_rev = resource->info->root.rev;
          }
        else if (resource->type == DAV_RESOURCE_TYPE_REGULAR
                 || resource->type == DAV_RESOURCE_TYPE_WORKING
                 || resource->type == DAV_RESOURCE_TYPE_VERSION)
          {
            /* Get the CR field out of the node's skel.  Notice that the
               root object might be an ID root -or- a revision root. */
            serr = svn_fs_node_created_rev(&committed_rev,
                                           resource->info->root.root,
                                           resource->info->repos_path,
                                           scratch_pool);
            if (serr != NULL)
              {
                /* ### what to do? */
                svn_error_clear(serr);
                value = "###error###";
                break;
              }
          }
        else
          {
            return DAV_PROP_INSERT_NOTSUPP;
          }

        serr = get_path_revprop(&last_author,
                                resource,
                                committed_rev,
                                SVN_PROP_REVISION_AUTHOR,
                                scratch_pool);
        if (serr)
          {
            /* ### what to do? */
            svn_error_clear(serr);
            value = "###error###";
            break;
          }

        if (last_author == NULL)
          return DAV_PROP_INSERT_NOTDEF;

        value = apr_xml_quote_string(scratch_pool, last_author->data, 1);
        break;
      }

    case DAV_PROPID_getcontentlanguage:
      /* ### need something here */
      return DAV_PROP_INSERT_NOTSUPP;
      break;

    case DAV_PROPID_getcontentlength:
      {
        svn_filesize_t len = 0;

        /* our property, but not defined on collection resources */
        if (resource->collection || resource->baselined)
          return DAV_PROP_INSERT_NOTSUPP;

        serr = svn_fs_file_length(&len, resource->info->root.root,
                                  resource->info->repos_path, scratch_pool);
        if (serr != NULL)
          {
            svn_error_clear(serr);
            value = "0";  /* ### what to do? */
            break;
          }

        value = apr_psprintf(scratch_pool, "%" SVN_FILESIZE_T_FMT, len);
        break;
      }

    case DAV_PROPID_getcontenttype:
      {
        /* The subversion client assumes that any file without an
           svn:mime-type property is of type text/plain.  So it seems
           safe (and consistent) to assume the same on the server.  */
        svn_string_t *pval;
        const char *mime_type = NULL;

        if (resource->baselined && resource->type == DAV_RESOURCE_TYPE_VERSION)
          return DAV_PROP_INSERT_NOTSUPP;

        if (resource->type == DAV_RESOURCE_TYPE_PRIVATE
            && (resource->info->restype == DAV_SVN_RESTYPE_VCC
                || resource->info->restype == DAV_SVN_RESTYPE_ME))
          {
            return DAV_PROP_INSERT_NOTSUPP;
          }

        if (resource->collection) /* defaults for directories */
          {
            if (resource->info->repos->xslt_uri)
              mime_type = "text/xml";
            else
              mime_type = "text/html; charset=UTF-8";
          }
        else
          {
            if ((serr = svn_fs_node_prop(&pval, resource->info->root.root,
                                         resource->info->repos_path,
                                         SVN_PROP_MIME_TYPE, scratch_pool)))
              {
                svn_error_clear(serr);
                pval = NULL;
              }

            if (pval)
              mime_type = pval->data;
            else if ((! resource->info->repos->is_svn_client)
                     && resource->info->r->content_type)
              mime_type = resource->info->r->content_type;
            else
              mime_type = "text/plain";

            if ((serr = svn_mime_type_validate(mime_type, scratch_pool)))
              {
                /* Probably serr->apr == SVN_ERR_BAD_MIME_TYPE, but
                   there's no point even checking.  No matter what the
                   error is, we can't claim to have a mime type for
                   this resource. */
                ap_log_rerror(APLOG_MARK, APLOG_WARNING, serr->apr_err, 
                              resource->info->r, "%s", serr->message);
                svn_error_clear(serr);
                return DAV_PROP_INSERT_NOTDEF;
              }
          }

        value = mime_type;
        break;
      }

    case DAV_PROPID_getetag:
      if (resource->type == DAV_RESOURCE_TYPE_PRIVATE
          && (resource->info->restype == DAV_SVN_RESTYPE_VCC
              || resource->info->restype == DAV_SVN_RESTYPE_ME))
        {
          return DAV_PROP_INSERT_NOTSUPP;
        }

      value = dav_svn__getetag(resource, scratch_pool);
      break;

    case DAV_PROPID_auto_version:
      /* we only support one autoversioning behavior, and thus only
         return this one static value; someday when we support
         locking, there are other possible values/behaviors for this. */
      if (resource->info->repos->autoversioning)
        value = "DAV:checkout-checkin";
      else
        return DAV_PROP_INSERT_NOTDEF;
      break;

    case DAV_PROPID_baseline_collection:
      /* only defined for Baselines */
      /* ### whoops. also defined for a VCC. deal with it later. */
      if (resource->type != DAV_RESOURCE_TYPE_VERSION || !resource->baselined)
        return DAV_PROP_INSERT_NOTSUPP;
      value = dav_svn__build_uri(resource->info->repos, DAV_SVN__BUILD_URI_BC,
                                 resource->info->root.rev, NULL,
                                 1 /* add_href */, scratch_pool);
      break;

    case DAV_PROPID_checked_in:
      /* only defined for VCRs (in the public space and in a BC space) */
      /* ### note that a VCC (a special VCR) is defined as _PRIVATE for now */
      if (resource->type == DAV_RESOURCE_TYPE_PRIVATE
          && (resource->info->restype == DAV_SVN_RESTYPE_VCC
              || resource->info->restype == DAV_SVN_RESTYPE_ME))
        {
          svn_revnum_t revnum;

          serr = svn_fs_youngest_rev(&revnum, resource->info->repos->fs,
                                     scratch_pool);
          if (serr != NULL)
            {
              /* ### what to do? */
              svn_error_clear(serr);
              value = "###error###";
              break;
            }
          s = dav_svn__build_uri(resource->info->repos,
                                 DAV_SVN__BUILD_URI_BASELINE,
                                 revnum, NULL, 0 /* add_href */, scratch_pool);
          value = apr_psprintf(scratch_pool, "<D:href>%s</D:href>",
                               apr_xml_quote_string(scratch_pool, s, 1));
        }
      else if (resource->type != DAV_RESOURCE_TYPE_REGULAR)
        {
          /* not defined for this resource type */
          return DAV_PROP_INSERT_NOTSUPP;
        }
      else
        {
          svn_revnum_t rev_to_use =
            dav_svn__get_safe_cr(resource->info->root.root,
                                 resource->info->repos_path, scratch_pool);

          s = dav_svn__build_uri(resource->info->repos,
                                 DAV_SVN__BUILD_URI_VERSION,
                                 rev_to_use, resource->info->repos_path,
                                0 /* add_href */, scratch_pool);
          value = apr_psprintf(scratch_pool, "<D:href>%s</D:href>",
                               apr_xml_quote_string(scratch_pool, s, 1));
        }
      break;

    case DAV_PROPID_version_controlled_configuration:
      /* only defined for VCRs */
      /* ### VCRs within the BC should not have this property! */
      /* ### note that a VCC (a special VCR) is defined as _PRIVATE for now */
      if (resource->type != DAV_RESOURCE_TYPE_REGULAR)
        return DAV_PROP_INSERT_NOTSUPP;
      value = dav_svn__build_uri(resource->info->repos, DAV_SVN__BUILD_URI_VCC,
                                 SVN_IGNORED_REVNUM, NULL,
                                 1 /* add_href */, scratch_pool);
      break;

    case DAV_PROPID_version_name:
      /* only defined for Version Resources and Baselines */
      /* ### whoops. also defined for VCRs. deal with it later. */
      if ((resource->type != DAV_RESOURCE_TYPE_VERSION)
          && (! resource->versioned))
        return DAV_PROP_INSERT_NOTSUPP;

      if (resource->type == DAV_RESOURCE_TYPE_PRIVATE
          && (resource->info->restype == DAV_SVN_RESTYPE_VCC
              || resource->info->restype == DAV_SVN_RESTYPE_ME))
        {
          return DAV_PROP_INSERT_NOTSUPP;
        }

      if (resource->baselined)
        {
          /* just the revision number for baselines */
          value = apr_psprintf(scratch_pool, "%ld",
                               resource->info->root.rev);
        }
      else
        {
          svn_revnum_t committed_rev = SVN_INVALID_REVNUM;

          /* Get the CR field out of the node's skel.  Notice that the
             root object might be an ID root -or- a revision root. */
          serr = svn_fs_node_created_rev(&committed_rev,
                                         resource->info->root.root,
                                         resource->info->repos_path,
                                         scratch_pool);
          if (serr != NULL)
            {
              /* ### what to do? */
              svn_error_clear(serr);
              value = "###error###";
              break;
            }

          /* Convert the revision into a quoted string */
          s = apr_psprintf(scratch_pool, "%ld", committed_rev);
          value = apr_xml_quote_string(scratch_pool, s, 1);
        }
      break;

    case SVN_PROPID_baseline_relative_path:
      /* only defined for VCRs */
      /* ### VCRs within the BC should not have this property! */
      /* ### note that a VCC (a special VCR) is defined as _PRIVATE for now */
      if (resource->type != DAV_RESOURCE_TYPE_REGULAR)
        return DAV_PROP_INSERT_NOTSUPP;

      /* drop the leading slash, so it is relative */
      s = resource->info->repos_path + 1;
      value = apr_xml_quote_string(scratch_pool, s, 1);
      break;

    case SVN_PROPID_md5_checksum:
      if ((! resource->collection)
          && (! resource->baselined)
          && (resource->type == DAV_RESOURCE_TYPE_REGULAR
              || resource->type == DAV_RESOURCE_TYPE_WORKING
              || resource->type == DAV_RESOURCE_TYPE_VERSION))
        {
          svn_checksum_t *checksum;

          serr = svn_fs_file_checksum(&checksum, svn_checksum_md5,
                                      resource->info->root.root,
                                      resource->info->repos_path, TRUE,
                                      scratch_pool);
          if (serr != NULL)
            {
              /* ### what to do? */
              svn_error_clear(serr);
              value = "###error###";
              break;
            }

          value = svn_checksum_to_cstring(checksum, scratch_pool);

          if (! value)
            return DAV_PROP_INSERT_NOTSUPP;
        }
      else
        return DAV_PROP_INSERT_NOTSUPP;

      break;

    case SVN_PROPID_repository_uuid:
      serr = svn_fs_get_uuid(resource->info->repos->fs, &value, scratch_pool);
      if (serr != NULL)
        {
          /* ### what to do? */
          svn_error_clear(serr);
          value = "###error###";
          break;
        }
      break;

    case SVN_PROPID_deadprop_count:
      {
        unsigned int propcount;
        apr_hash_t *proplist;

        if (resource->type != DAV_RESOURCE_TYPE_REGULAR)
          return DAV_PROP_INSERT_NOTSUPP;

        serr = svn_fs_node_proplist(&proplist,
                                    resource->info->root.root,
                                    resource->info->repos_path, scratch_pool);
        if (serr != NULL)
          {
            /* ### what to do? */
            svn_error_clear(serr);
            value = "###error###";
            break;
          }

        propcount = apr_hash_count(proplist);
        value = apr_psprintf(scratch_pool, "%u", propcount);
        break;
      }

    default:
      /* ### what the heck was this property? */
      return DAV_PROP_INSERT_NOTDEF;
    }

  /* assert: value != NULL */

  /* get the information and global NS index for the property */
  global_ns = dav_get_liveprop_info(propid, &dav_svn__liveprop_group, &info);

  /* assert: info != NULL && info->name != NULL */

  if (what == DAV_PROP_INSERT_NAME
      || (what == DAV_PROP_INSERT_VALUE && *value == '\0')) {
    s = apr_psprintf(result_pool, "<lp%d:%s/>" DEBUG_CR, global_ns,
                     info->name);
  }
  else if (what == DAV_PROP_INSERT_VALUE) {
    s = apr_psprintf(result_pool, "<lp%d:%s>%s</lp%d:%s>" DEBUG_CR,
                     global_ns, info->name, value, global_ns, info->name);
  }
  else {
    /* assert: what == DAV_PROP_INSERT_SUPPORTED */
    s = apr_psprintf(result_pool,
                     "<D:supported-live-property D:name=\"%s\" "
                     "D:namespace=\"%s\"/>" DEBUG_CR,
                     info->name, namespace_uris[info->ns]);
  }
  apr_text_append(result_pool, phdr, s);

  /* we inserted whatever was asked for */
  return what;
}