remote file management: allow long filenames

Originally, the idea for remote file management was that
the physical name of a file was its md5, or jf_md5.
This was changed to let the submitter choose the name.
But in the DB (job_file.md5) we only kept 64 chars.

Change the field name to job_file.name, and change it to varchar(255)

db/schema.sql

@@ -349,12 +349,11 @@ create table user_submit_app (
     primary key (user_id, app_id)
 ) engine = InnoDB;
 
--- Record files present on server.
--- Files are named jf_(md5)
+-- Record files (created by remote file mgt) present on server.
 --
 create table job_file (
     id                      integer         not null auto_increment,
-    md5                     char(64)        not null,
+    name                    varchar(255)    not null,
     create_time             double          not null,
     delete_time             double          not null,
     primary key (id)

html/inc/submit_db.inc

@@ -115,9 +115,9 @@ class BoincJobFile {
         if (!$ret) return false;
         return $db->insert_id();
     }
-    static function lookup_md5($md5) {
+    static function lookup_name($name) {
         $db = BoincDb::get();
-        return $db->lookup('job_file', 'BoincJobFile', "md5='$md5'");
+        return $db->lookup('job_file', 'BoincJobFile', "name='$name'");
     }
     function delete() {
         $db = BoincDb::get();

html/ops/db_update.php

@@ -1027,6 +1027,10 @@ function update_1_27_2016() {
     do_query("alter table team add column mod_time timestamp default current_timestamp on update current_timestamp");
 }
 
+function update_2_17_2017() {
+    do_query("alter table job_file change md5 name varchar(255) not null");
+}
+
 // Updates are done automatically if you use "upgrade".
 //
 // If you need to do updates manually,
@@ -1073,6 +1077,7 @@ $db_updates = array (
     array(27012, "update_10_8_2014"),
     array(27013, "update_4_15_2015"),
     array(27014, "update_1_27_2016"),
+    array(27015, "update_2_17_2017"),
 );
 
 ?>

html/user/job_file.php

@@ -117,7 +117,7 @@ function query_files($r) {
         // update the delete time first to avoid race condition
         // with job file deleter
         //
-        $job_file = BoincJobFile::lookup_md5($fname);
+        $job_file = BoincJobFile::lookup_name($fname);
         if ($job_file && $job_file->delete_time < $delete_time) {
             $retval = $job_file->update("delete_time=$delete_time");
             if ($retval) {
@@ -131,10 +131,10 @@ function query_files($r) {
                 $jf_id = $job_file->id;
             } else {
                 $jf_id = BoincJobFile::insert(
-                    "(md5, create_time, delete_time) values ('$fname', $now, $delete_time)"
+                    "(name, create_time, delete_time) values ('$fname', $now, $delete_time)"
                 );
                 if (!$jf_id) {
-                    xml_error(-1, "query_file(): BoincJobFile::insert($fname) failed: ".BoincDb::error());
+                    xml_error(-1, "query_files(): BoincJobFile::insert($fname) failed: ".BoincDb::error());
                 }
             }
             // create batch association if needed
@@ -233,7 +233,7 @@ function upload_files($r) {
         }
 
         $jf_id = BoincJobFile::insert(
-            "(md5, create_time, delete_time) values ('$fname', $now, $delete_time)"
+            "(name, create_time, delete_time) values ('$fname', $now, $delete_time)"
         );
         if (!$jf_id) {
             xml_error(-1, "BoincJobFile::insert($fname) failed: ".BoincDb::error());