src/hg/hubApi/hubApi.c 183a7505b5251fb0bdc4a6fca6d6420ed6a8d4b7

183a7505b5251fb0bdc4a6fca6d6420ed6a8d4b7
hiram
  Wed May 1 14:46:21 2019 -0700
add hg.conf variable to turn on the html output on the URL /cgi-bin/hubApi refs #18869

diff --git src/hg/hubApi/hubApi.c src/hg/hubApi/hubApi.c
index 8933c99..afeb9cc 100644
--- src/hg/hubApi/hubApi.c
+++ src/hg/hubApi/hubApi.c
@@ -1478,30 +1478,44 @@
 	apiErrAbort(err400, err400Msg, "can not recognize maxItemsOutput '%s' as a number", maxOut);
     else
 	{
 	if (n == -1)	/* can use -1 to indicate as much as allowed */
 	    maxItemsOutput = maxItemLimit;
 	else if (n > maxItemLimit)	/* safety check */
 	    apiErrAbort(err400, err400Msg, "requested maxItemsOutput '%s' greater than maximum limit allowed: %d", maxOut, maxItemLimit);
 	else if (n < 1)
 	    apiErrAbort(err400, err400Msg, "requested maxItemsOutput '%s' can not be less than one", maxOut, maxItemLimit);
 	else
 	    maxItemsOutput = n;
 	}
     }
 }	/*	static void setGlobalCgiVars()	*/
 
+static void redirectToHelp()
+/* redirect to the help page */
+{
+puts("Content-Type:text/html");
+hPrintf("Status: %d %s\n", err301, err301Msg);
+puts("\n");
+
+hPrintf("<!DOCTYPE HTML>\n");
+hPrintf("<html lang='en'>\n");
+hPrintf("<head>\n");
+hPrintf("<meta http-equiv='Refresh' content='0; url=/goldenPath/help/api.html' />\n");
+hPrintf("</head>\n");
+}
+
 /* Null terminated list of CGI Variables we don't want to save
  * permanently. */
 static char *excludeVars[] = {"Submit", "submit", "sourceSelected", "selectRadio", "ucscGenome", "publicHubs", "clade", NULL,};
 
 int main(int argc, char *argv[])
 /* Process command line. */
 {
 enteredMainTime = clock1000();
 cgiSpoof(&argc, argv);
 verboseTimeInit();
 /* similar delay system as in DAS server */
 botDelay = hgBotDelayTimeFrac(delayFraction);
 if (botDelay > 0)
     {
     if (botDelay > 2000)
@@ -1512,21 +1526,27 @@
     sleep1000(botDelay);
     }
 
 setGlobalCgiVars();
 
 int timeout = cgiOptionalInt("udcTimeout", 300);
 if (udcCacheTimeout() < timeout)
     udcSetCacheTimeout(timeout);
 knetUdcInstall();
 
 char *pathInfo = getenv("PATH_INFO");
 if (isNotEmpty(pathInfo)) /* can get to this immediately, no cart needed */
     apiRequest(pathInfo);
 else
     {
+    char *allowApiHtml = cfgOptionDefault("hubApi.allowHtml", "off");
+    if (sameWord("on", allowApiHtml))
+	{
 	trackCounter = hashNew(0);
 	cartEmptyShellNoContent(doMiddle, hUserCookie(), excludeVars, oldVars);
 	}
+    else
+	redirectToHelp();
+    }
 cgiExitTime("hubApi", enteredMainTime);
 return 0;
 }