The ability to create ISO images of various types (#520)

* Better error handling

* Ability to create ISO images of various types

* Remove ISO v2 option, since I couldn't test that it works

* Add help text

* Fix typo

src/web/file_cmds.py

@@ -217,13 +217,13 @@ def unzip_file(file_name, member=False, members=False):
     return {"status": True, "msg": unzipped, "prop_flag": prop_flag}
 
 
-def download_file_to_iso(url):
+def download_file_to_iso(url, *iso_args):
     """
-    Takes (int) scsi_id and (str) url
+    Takes (str) url and one or more (str) *iso_args
     Returns (dict) with (bool) status and (str) msg
     """
     from time import time
-    from subprocess import run
+    from subprocess import run, CalledProcessError
 
     server_info = get_server_info()
 
@@ -239,15 +239,30 @@ def download_file_to_iso(url):
     if not req_proc["status"]:
         return {"status": False, "msg": req_proc["msg"]}
 
-    iso_proc = run(
-        ["genisoimage", "-hfs", "-o", iso_filename, tmp_full_path],
+    try:
+        iso_proc = (
+            run(
+                [
+                    "genisoimage",
+                    *iso_args,
+                    "-o",
+                    iso_filename,
+                    tmp_full_path,
+                ],
                 capture_output=True,
                 check=True,
             )
-    if iso_proc.returncode != 0:
-        return {"status": False, "msg": iso_proc.stderr.decode("utf-8")}
+        )
+    except CalledProcessError as error:
+        logging.warning("Executed shell command: %s", " ".join(error.cmd))
+        logging.warning("Got error: %s", error.stderr.decode("utf-8"))
+        return {"status": False, "msg": error.stderr.decode("utf-8")}
 
-    return {"status": True, "msg": iso_proc.stdout.decode("utf-8"), "file_name": iso_filename}
+    return {
+        "status": True,
+        "msg": f"Created CD-ROM ISO image with arguments \"" + " ".join(iso_args) + "\"",
+        "file_name": iso_filename,
+    }
 
 
 def download_to_dir(url, save_dir):

src/web/templates/index.html

@@ -436,11 +436,12 @@
 
 <details>
     <summary class="heading">
-        Download File and Create HFS CD (Macintosh)
+        Download File and Create CD-ROM ISO image
     </summary>
     <ul>
-        <li>Given a URL this will download a file, create a HFS iso, and mount it on the SCSI ID given.</li>
-        <li>Requires a <a href="https://github.com/akuker/RASCSI/wiki/Drive-Setup#Mounting_CD_ISO_or_MO_images">compatible CD-ROM driver</a> installed on the target system.
+        <li>Given a URL this will download a file, create a CD-ROM image with the selected file system, and mount it on the SCSI ID given.</li>
+        <li>HFS is for Mac OS, Joliet for Windows, and Rock Ridge for POSIX.</li>
+        <li>On Mac OS, requires a <a href="https://github.com/akuker/RASCSI/wiki/Drive-Setup#Mounting_CD_ISO_or_MO_images">compatible CD-ROM driver</a> installed on the target system.
         </li>
     </ul>
 </details>
@@ -458,6 +459,27 @@
                 </select>
                 <label for="url">URL:</label>
                 <input name="url" placeholder="URL" required="" type="url">
+                <label for="type">Type:</label>
+                <select name="type">
+                    <option value="-hfs">
+                        HFS
+                    </option>
+                    <option value="-iso-level 1">
+                        ISO-9660 Level 1
+                    </option>
+                    <option value="-iso-level 2">
+                        ISO-9660 Level 2
+                    </option>
+                    <option value="-iso-level 3">
+                        ISO-9660 Level 3
+                    </option>
+                    <option value="-J">
+                        Joliet
+                    </option>
+                    <option value="-r">
+                        Rock Ridge
+                    </option>
+                </select>
                 <input type="submit" value="Download and Mount ISO" onclick="processNotify('Downloading File as ISO...')">
             </form>
         </td>

src/web/web.py

@@ -770,10 +770,12 @@ def download_to_iso():
 
     scsi_id = request.form.get("scsi_id")
     url = request.form.get("url")
+    iso_args = request.form.get("type").split()
 
-    process = download_file_to_iso(url)
+    process = download_file_to_iso(url, *iso_args)
     if process["status"]:
-        flash(f"Created CD-ROM image: {process['file_name']}")
+        flash(process["msg"])
+        flash(f"Saved image as: {process['file_name']}")
     else:
         flash(f"Failed to create CD-ROM image from {url}", "error")
         flash(process["msg"], "error")