svg newlines + fix cleaner warning:

* support newlines in svg files;
  * `--error--\ncheck\nserver\nlog`
  * `upload\nonly`

* thumbnails of files with lastmodified year 1601 would
   make the cleaner print a harmless but annoying warning

copyparty/ico.py

@@ -94,10 +94,21 @@ class Ico(object):
 <?xml version="1.0" encoding="UTF-8"?>
 <svg version="1.1" viewBox="0 0 100 {}" xmlns="http://www.w3.org/2000/svg"><g>
 <rect width="100%" height="100%" fill="#{}" />
-<text x="50%" y="50%" dominant-baseline="middle" text-anchor="middle" xml:space="preserve"
+<text x="50%" y="{}" dominant-baseline="middle" text-anchor="middle" xml:space="preserve"
   fill="#{}" font-family="monospace" font-size="14px" style="letter-spacing:.5px">{}</text>
 </g></svg>
 """
-        svg = svg.format(h, c[:6], c[6:], html_escape(ext, True))
+
+        txt = html_escape(ext, True)
+        if "\n" in txt:
+            lines = txt.split("\n")
+            n = len(lines)
+            y = "20%" if n == 2 else "10%" if n == 3 else "0"
+            zs = '<tspan x="50%%" dy="1.2em">%s</tspan>'
+            txt = "".join([zs % (x,) for x in lines])
+        else:
+            y = "50%"
+
+        svg = svg.format(h, c[:6], y, c[6:], txt)
 
         return "image/svg+xml", svg.encode("utf-8")

copyparty/th_srv.py

@@ -4,6 +4,7 @@ from __future__ import print_function, unicode_literals
 import hashlib
 import logging
 import os
+import re
 import shutil
 import subprocess as sp
 import threading
@@ -49,6 +50,9 @@ HAVE_WEBP = False
 EXTS_TH = set(["jpg", "webp", "png"])
 EXTS_AC = set(["opus", "owa", "caf", "mp3"])
 
+PTN_TS = re.compile("^-?[0-9a-f]{8,10}$")
+
+
 try:
     if os.environ.get("PRTY_NO_PIL"):
         raise Exception()
@@ -998,6 +1002,8 @@ class ThumbSrv(object):
             # thumb file
             try:
                 b64, ts, ext = f.split(".")
+                if len(ts) > 8 and PTN_TS.match(ts):
+                    ts = "yeahokay"
                 if len(b64) != 24 or len(ts) != 8 or ext not in exts:
                     raise Exception()
             except: