** The "diff" tag covers all diffing pages such as /vdiff, /fdiff, and
** /vpatch.  The "annotate" tag also covers /blame and /praise.  "zip"
** also covers /tarball and /sqlar.  If a tag has an "X" character appended,
** then it only applies if query parameters are such that the page is
** particularly difficult to compute. In all other case, the tag should
** exactly match the page name.
**
** Change this setting "off" to disable all robot restrictions.
*/

/*
** Return the default restriction GLOB
*/
const char *robot_restrict_default(void){
  return "timelineX,diff,annotate,zip,fileage,file";

int robot_restrict(const char *zPage){
  const char *zGlob;
  const char *zToken;
  static int bKnownPass = 0;
  if( g.zLogin ) return 0;    /* Logged in users always get through */
  if( bKnownPass ) return 0;  /* Already known to pass robot restrictions */
  zGlob = db_get("robot-restrict",robot_restrict_default());
  if( zGlob==0 || zGlob[0]==0 || fossil_strcmp(zGlob, "off")==0 ){
    bKnownPass = 1;
    return 0;   /* Robot restriction is turned off */
  }
  if( !glob_multi_match(zGlob, zPage) ) return 0;
  zToken = P("token");
  if( zToken!=0
   && db_exists("SELECT 1 FROM config"
                " WHERE name='token-%q'"
                "   AND json_valid(value,6)"
                "   AND value->>'user' IS NOT NULL", zToken)

  @ The "diff" tag covers all diffing pages such as /vdiff, /fdiff, and 
  @ /vpatch.  The "annotate" tag covers /annotate and also /blame and
  @ /praise.  The "zip" covers itself and also /tarball and /sqlar. If a
  @ tag has an "X" character appended, then it only applies if query
  @ parameters are such that the page is particularly difficult to compute.
  @ In all other case, the tag should exactly match the page name.
  @
  @ To disable robot restrictions, change this setting to "off".
  @ (Property: robot-restrict)
  @ <br>
  textarea_attribute("", 2, 80,
      "robot-restrict", "rbrestrict", robot_restrict_default(), 0);

  @ <hr>
  addAutoHyperlinkSettings();