2020-10-16 Fred Gleason <fredg@paravelsystems.com>

* Modified the 'WebGet' service to supply a sane default filename for downloaded content. Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
2025-11-29 16:50:13 +01:00 · 2020-10-16 13:13:25 -04:00
parent b632717817
commit 5bc8337f00
4 changed files with 169 additions and 38 deletions
--- a/web/webget/webget.js
+++ b/web/webget/webget.js
@@ -0,0 +1,104 @@
+// webget.js
+//
+//   (C) Copyright 2020 Fred Gleason <fredg@paravelsystems.com>
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU General Public License version 2 as
+//   published by the Free Software Foundation.
+//
+//   This program is distributed in the hope that it will be useful,
+//   but WITHOUT ANY WARRANTY; without even the implied warranty of
+//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//   GNU General Public License for more details.
+//
+//   You should have received a copy of the GNU General Public
+//   License along with this program; if not, write to the Free Software
+//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+function Id(id)
+{
+    return document.getElementById(id);
+}
+
+
+function MakePost()
+{
+    var sep=MakeMimeSeparator();
+    form=sep+"\r\n";
+
+    form+=AddMimePart('title',Id('title').value,sep,false);
+    form+=AddMimePart('preset',Id('preset').value,sep,false);
+    form+=AddMimePart('LOGIN_NAME',Id('LOGIN_NAME').value,sep,false);
+    form+=AddMimePart('PASSWORD',Id('PASSWORD').value,sep,true);
+
+    return form;
+}
+
+
+function ProcessOkButton()
+{
+    SendForm(MakePost(),"webget.cgi");
+}
+
+
+function SendForm(form,url)
+{
+    var http=GetXMLHttpRequest();
+    if(http==null) {
+	return;
+    }
+
+    //
+    // Send the form
+    //
+    http.open("POST",url,true);
+    http.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
+    http.responseType='blob';
+    http.send(form);
+
+    //
+    // Process the response
+    //
+    http.onload=function(e) {
+	if(this.status==200) {
+	    var blob=new Blob([this.response],
+			      {type: http.getResponseHeader('content-type')});
+	    let a=document.createElement('a');
+	    a.style='display: none';
+	    document.body.appendChild(a);
+	    let url=window.URL.createObjectURL(blob);
+	    a.href=url;
+	    a.download=Id('title').value+'.'+FileExtension(Id('preset').value);
+	    a.click();
+	    window.URL.revokeObjectURL(url);
+	}
+	else {
+	    if(this.status==401) {
+		alert('Invalid User Name or Password!');
+	    }
+	    else {
+		if(this.status=404) {
+		    alert('No cart with that name found!');
+		}
+		else {
+		    alert('Unable to access WebGet [response code: '+
+			  http.status+']!');
+		}
+	    }
+	}
+    }
+}
+
+
+function FileExtension(prof_id)
+{
+    for(id in preset_ids) {
+	if(preset_ids[id]==prof_id) {
+	    return preset_exts[id];
+	}
+    }
+
+    return 'dat';
+}
+