import javax.imageio.*; import java.awt.image.*; import java.awt.event.*; import java.awt.*; import java.security.NoSuchAlgorithmException; import java.security.MessageDigest; import java.lang.reflect.*; import java.net.*; import java.io.*; import javax.swing.text.*; import javax.swing.event.*; import javax.swing.*; import java.util.concurrent.*; import java.util.regex.*; import java.util.List; import java.util.zip.*; import java.util.*; public class main { public static void main(String[] args) throws Exception { String html = loadSnippet("#1000322"); List tok = javaTok(html); int idx = tok.indexOf("\"url_encoded_fmt_stream_map\""); if (idx < 0) fail("blubb"); print(urldecode(htmlunquote(tok.get(idx+4)))); } static String urldecode(String x) { try { return URLDecoder.decode(unnull(x), "UTF-8"); } catch (UnsupportedEncodingException e) { throw new RuntimeException(e); } } static String htmlunquote(String s) { if (s.startsWith("'") && s.endsWith("'") && s.length() >= 2 || s.startsWith("\"") && s.endsWith("\"") && s.length() >= 2) s = s.substring(1, s.length()-1); return htmldecode(s); } // replacement for class JavaTok // maybe incomplete, might want to add floating point numbers // todo also: extended multi-line strings static List javaTok(String s) { List tok = new ArrayList(); int l = s.length(); int i = 0; while (i < l) { int j = i; char c; String cc; // scan for whitespace while (j < l) { c = s.charAt(j); cc = s.substring(j, Math.min(j+2, l)); if (c == ' ' || c == '\t' || c == '\r' || c == '\n') ++j; else if (cc.equals("/*")) { do ++j; while (j < l && !s.substring(j, Math.min(j+2, l)).equals("*/")); j = Math.min(j+2, l); } else if (cc.equals("//")) { do ++j; while (j < l && "\r\n".indexOf(s.charAt(j)) < 0); } else break; } tok.add(s.substring(i, j)); i = j; if (i >= l) break; c = s.charAt(i); // cc is not needed in rest of loop body cc = s.substring(i, Math.min(i+2, l)); // scan for non-whitespace if (c == '\'' || c == '"') { char opener = c; ++j; while (j < l) { if (s.charAt(j) == opener) { ++j; break; } else if (s.charAt(j) == '\\' && j+1 < l) j += 2; else ++j; } } else if (Character.isJavaIdentifierStart(c)) do ++j; while (j < l && Character.isJavaIdentifierPart(s.charAt(j))); else if (Character.isDigit(c)) do ++j; while (j < l && Character.isDigit(s.charAt(j))); else if (cc.equals("[[")) { do ++j; while (j+1 < l && !s.substring(j, j+2).equals("]]")); j = Math.min(j+2, l); } else ++j; tok.add(s.substring(i, j)); i = j; } if ((tok.size() % 2) == 0) tok.add(""); return tok; } static void print() { System.out.println(); } static void print(Object o) { System.out.println(o); } static void print(long i) { System.out.println(i); } static boolean preferCached = false; public static String loadSnippet(String snippetID) throws IOException { return loadSnippet(parseSnippetID(snippetID), preferCached); } public static String loadSnippet(String snippetID, boolean preferCached) throws IOException { return loadSnippet(parseSnippetID(snippetID), preferCached); } public static long parseSnippetID(String snippetID) { return Long.parseLong(shortenSnippetID(snippetID)); } private static String shortenSnippetID(String snippetID) { if (snippetID.startsWith("#")) snippetID = snippetID.substring(1); String httpBlaBla = "http://tinybrain.de/"; if (snippetID.startsWith(httpBlaBla)) snippetID = snippetID.substring(httpBlaBla.length()); return snippetID; } public static boolean isSnippetID(String snippetID) { snippetID = shortenSnippetID(snippetID); return isInteger(snippetID) && Long.parseLong(snippetID) != 0; } public static boolean isInteger(String s) { return Pattern.matches("\\-?\\d+", s); } public static String loadSnippet(long snippetID, boolean preferCached) throws IOException { if (preferCached) { initSnippetCache(); String text = DiskSnippetCache_get(snippetID); if (text != null) return text; } String text; try { URL url = new URL("http://tinybrain.de:8080/getraw.php?id=" + snippetID); text = loadPage(url); } catch (FileNotFoundException e) { throw new IOException("Snippet #" + snippetID + " not found or not public"); } try { initSnippetCache(); DiskSnippetCache_put(snippetID, text); } catch (IOException e) { System.err.println("Minor warning: Couldn't save snippet to cache (" + DiskSnippetCache_getDir() + ")"); } return text; } static File DiskSnippetCache_dir; public static void initDiskSnippetCache(File dir) { DiskSnippetCache_dir = dir; dir.mkdirs(); } public static synchronized String DiskSnippetCache_get(long snippetID) throws IOException { return loadTextFile(DiskSnippetCache_getFile(snippetID).getPath(), null); } private static File DiskSnippetCache_getFile(long snippetID) { return new File(DiskSnippetCache_dir, "" + snippetID); } public static synchronized void DiskSnippetCache_put(long snippetID, String snippet) throws IOException { saveTextFile(DiskSnippetCache_getFile(snippetID).getPath(), snippet); } public static File DiskSnippetCache_getDir() { return DiskSnippetCache_dir; } public static void initSnippetCache() { if (DiskSnippetCache_dir == null) initDiskSnippetCache(new File(System.getProperty("user.home"), ".tinybrain/snippet-cache")); } static RuntimeException fail() { throw new RuntimeException("fail"); } static RuntimeException fail(String msg) { throw new RuntimeException(msg); } static String htmldecode(final String input) { final int MIN_ESCAPE = 2; final int MAX_ESCAPE = 6; StringWriter writer = null; int len = input.length(); int i = 1; int st = 0; while (true) { // look for '&' while (i < len && input.charAt(i-1) != '&') i++; if (i >= len) break; // found '&', look for ';' int j = i; while (j < len && j < i + MAX_ESCAPE + 1 && input.charAt(j) != ';') j++; if (j == len || j < i + MIN_ESCAPE || j == i + MAX_ESCAPE + 1) { i++; continue; } // found escape if (input.charAt(i) == '#') { // numeric escape int k = i + 1; int radix = 10; final char firstChar = input.charAt(k); if (firstChar == 'x' || firstChar == 'X') { k++; radix = 16; } try { int entityValue = Integer.parseInt(input.substring(k, j), radix); if (writer == null) writer = new StringWriter(input.length()); writer.append(input.substring(st, i - 1)); if (entityValue > 0xFFFF) { final char[] chrs = Character.toChars(entityValue); writer.write(chrs[0]); writer.write(chrs[1]); } else { writer.write(entityValue); } } catch (NumberFormatException ex) { i++; continue; } } else { // named escape CharSequence value = htmldecode_lookupMap.get(input.substring(i, j)); if (value == null) { i++; continue; } if (writer == null) writer = new StringWriter(input.length()); writer.append(input.substring(st, i - 1)); writer.append(value); } // skip escape st = j + 1; i = st; } if (writer != null) { writer.append(input.substring(st, len)); return writer.toString(); } return input; } private static final String[][] htmldecode_ESCAPES = { {"\"", "quot"}, // " - double-quote {"&", "amp"}, // & - ampersand {"<", "lt"}, // < - less-than {">", "gt"}, // > - greater-than // Mapping to escape ISO-8859-1 characters to their named HTML 3.x equivalents. {"\u00A0", "nbsp"}, // non-breaking space {"\u00A1", "iexcl"}, // inverted exclamation mark {"\u00A2", "cent"}, // cent sign {"\u00A3", "pound"}, // pound sign {"\u00A4", "curren"}, // currency sign {"\u00A5", "yen"}, // yen sign = yuan sign {"\u00A6", "brvbar"}, // broken bar = broken vertical bar {"\u00A7", "sect"}, // section sign {"\u00A8", "uml"}, // diaeresis = spacing diaeresis {"\u00A9", "copy"}, // copyright sign {"\u00AA", "ordf"}, // feminine ordinal indicator {"\u00AB", "laquo"}, // left-pointing double angle quotation mark = left pointing guillemet {"\u00AC", "not"}, // not sign {"\u00AD", "shy"}, // soft hyphen = discretionary hyphen {"\u00AE", "reg"}, // registered trademark sign {"\u00AF", "macr"}, // macron = spacing macron = overline = APL overbar {"\u00B0", "deg"}, // degree sign {"\u00B1", "plusmn"}, // plus-minus sign = plus-or-minus sign {"\u00B2", "sup2"}, // superscript two = superscript digit two = squared {"\u00B3", "sup3"}, // superscript three = superscript digit three = cubed {"\u00B4", "acute"}, // acute accent = spacing acute {"\u00B5", "micro"}, // micro sign {"\u00B6", "para"}, // pilcrow sign = paragraph sign {"\u00B7", "middot"}, // middle dot = Georgian comma = Greek middle dot {"\u00B8", "cedil"}, // cedilla = spacing cedilla {"\u00B9", "sup1"}, // superscript one = superscript digit one {"\u00BA", "ordm"}, // masculine ordinal indicator {"\u00BB", "raquo"}, // right-pointing double angle quotation mark = right pointing guillemet {"\u00BC", "frac14"}, // vulgar fraction one quarter = fraction one quarter {"\u00BD", "frac12"}, // vulgar fraction one half = fraction one half {"\u00BE", "frac34"}, // vulgar fraction three quarters = fraction three quarters {"\u00BF", "iquest"}, // inverted question mark = turned question mark {"\u00C0", "Agrave"}, // ? - uppercase A, grave accent {"\u00C1", "Aacute"}, // ? - uppercase A, acute accent {"\u00C2", "Acirc"}, // ? - uppercase A, circumflex accent {"\u00C3", "Atilde"}, // ? - uppercase A, tilde {"\u00C4", "Auml"}, // ? - uppercase A, umlaut {"\u00C5", "Aring"}, // ? - uppercase A, ring {"\u00C6", "AElig"}, // ? - uppercase AE {"\u00C7", "Ccedil"}, // ? - uppercase C, cedilla {"\u00C8", "Egrave"}, // ? - uppercase E, grave accent {"\u00C9", "Eacute"}, // ? - uppercase E, acute accent {"\u00CA", "Ecirc"}, // ? - uppercase E, circumflex accent {"\u00CB", "Euml"}, // ? - uppercase E, umlaut {"\u00CC", "Igrave"}, // ? - uppercase I, grave accent {"\u00CD", "Iacute"}, // ? - uppercase I, acute accent {"\u00CE", "Icirc"}, // ? - uppercase I, circumflex accent {"\u00CF", "Iuml"}, // ? - uppercase I, umlaut {"\u00D0", "ETH"}, // ? - uppercase Eth, Icelandic {"\u00D1", "Ntilde"}, // ? - uppercase N, tilde {"\u00D2", "Ograve"}, // ? - uppercase O, grave accent {"\u00D3", "Oacute"}, // ? - uppercase O, acute accent {"\u00D4", "Ocirc"}, // ? - uppercase O, circumflex accent {"\u00D5", "Otilde"}, // ? - uppercase O, tilde {"\u00D6", "Ouml"}, // ? - uppercase O, umlaut {"\u00D7", "times"}, // multiplication sign {"\u00D8", "Oslash"}, // ? - uppercase O, slash {"\u00D9", "Ugrave"}, // ? - uppercase U, grave accent {"\u00DA", "Uacute"}, // ? - uppercase U, acute accent {"\u00DB", "Ucirc"}, // ? - uppercase U, circumflex accent {"\u00DC", "Uuml"}, // ? - uppercase U, umlaut {"\u00DD", "Yacute"}, // ? - uppercase Y, acute accent {"\u00DE", "THORN"}, // ? - uppercase THORN, Icelandic {"\u00DF", "szlig"}, // ? - lowercase sharps, German {"\u00E0", "agrave"}, // ? - lowercase a, grave accent {"\u00E1", "aacute"}, // ? - lowercase a, acute accent {"\u00E2", "acirc"}, // ? - lowercase a, circumflex accent {"\u00E3", "atilde"}, // ? - lowercase a, tilde {"\u00E4", "auml"}, // ? - lowercase a, umlaut {"\u00E5", "aring"}, // ? - lowercase a, ring {"\u00E6", "aelig"}, // ? - lowercase ae {"\u00E7", "ccedil"}, // ? - lowercase c, cedilla {"\u00E8", "egrave"}, // ? - lowercase e, grave accent {"\u00E9", "eacute"}, // ? - lowercase e, acute accent {"\u00EA", "ecirc"}, // ? - lowercase e, circumflex accent {"\u00EB", "euml"}, // ? - lowercase e, umlaut {"\u00EC", "igrave"}, // ? - lowercase i, grave accent {"\u00ED", "iacute"}, // ? - lowercase i, acute accent {"\u00EE", "icirc"}, // ? - lowercase i, circumflex accent {"\u00EF", "iuml"}, // ? - lowercase i, umlaut {"\u00F0", "eth"}, // ? - lowercase eth, Icelandic {"\u00F1", "ntilde"}, // ? - lowercase n, tilde {"\u00F2", "ograve"}, // ? - lowercase o, grave accent {"\u00F3", "oacute"}, // ? - lowercase o, acute accent {"\u00F4", "ocirc"}, // ? - lowercase o, circumflex accent {"\u00F5", "otilde"}, // ? - lowercase o, tilde {"\u00F6", "ouml"}, // ? - lowercase o, umlaut {"\u00F7", "divide"}, // division sign {"\u00F8", "oslash"}, // ? - lowercase o, slash {"\u00F9", "ugrave"}, // ? - lowercase u, grave accent {"\u00FA", "uacute"}, // ? - lowercase u, acute accent {"\u00FB", "ucirc"}, // ? - lowercase u, circumflex accent {"\u00FC", "uuml"}, // ? - lowercase u, umlaut {"\u00FD", "yacute"}, // ? - lowercase y, acute accent {"\u00FE", "thorn"}, // ? - lowercase thorn, Icelandic {"\u00FF", "yuml"}, // ? - lowercase y, umlaut {"'", "apos"}, // the controversial (but who cares!) ' // stackoverflow.com/questions/2083754/why-shouldnt-apos-be-used-to-escape-single-quotes }; private static final HashMap htmldecode_lookupMap; static { htmldecode_lookupMap = new HashMap(); for (final CharSequence[] seq : htmldecode_ESCAPES) htmldecode_lookupMap.put(seq[1].toString(), seq[0]); } /** writes safely (to temp file, then rename) */ public static void saveTextFile(String fileName, String contents) throws IOException { File file = new File(fileName); File parentFile = file.getParentFile(); if (parentFile != null) parentFile.mkdirs(); String tempFileName = fileName + "_temp"; FileOutputStream fileOutputStream = new FileOutputStream(tempFileName); OutputStreamWriter outputStreamWriter = new OutputStreamWriter(fileOutputStream, "UTF-8"); PrintWriter printWriter = new PrintWriter(outputStreamWriter); printWriter.print(contents); printWriter.close(); if (file.exists() && !file.delete()) throw new IOException("Can't delete " + fileName); if (!new File(tempFileName).renameTo(file)) throw new IOException("Can't rename " + tempFileName + " to " + fileName); } public static String loadTextFile(String fileName, String defaultContents) throws IOException { if (!new File(fileName).exists()) return defaultContents; FileInputStream fileInputStream = new FileInputStream(fileName); InputStreamReader inputStreamReader = new InputStreamReader(fileInputStream, "UTF-8"); return loadTextFile(inputStreamReader); } public static String loadTextFile(Reader reader) throws IOException { StringBuilder builder = new StringBuilder(); try { BufferedReader bufferedReader = new BufferedReader(reader); String line; while ((line = bufferedReader.readLine()) != null) builder.append(line).append('\n'); } finally { reader.close(); } return builder.length() == 0 ? "" : builder.substring(0, builder.length()-1); } public static String loadPage(String url) throws IOException { if(url.startsWith("tb/")) url = "tinybrain.de:8080/" + url; if (url.indexOf("://") < 0) url = "http://" + url; return loadPage(new URL(url)); } public static String loadPage(URL url) throws IOException { System.out.println("Loading: " + url.toExternalForm()); URLConnection con = url.openConnection(); return loadPage(con, url); } public static String loadPage(URLConnection con, URL url) throws IOException { String contentType = con.getContentType(); if (contentType == null) throw new IOException("Page could not be read: " + url); //Log.info("Content-Type: " + contentType); String charset = loadPage_guessCharset(contentType); Reader r = new InputStreamReader(con.getInputStream(), charset); StringBuilder buf = new StringBuilder(); while (true) { int ch = r.read(); if (ch < 0) break; //Log.info("Chars read: " + buf.length()); buf.append((char) ch); } return buf.toString(); } static String loadPage_guessCharset(String contentType) { Pattern p = Pattern.compile("text/html;\\s+charset=([^\\s]+)\\s*"); Matcher m = p.matcher(contentType); /* If Content-Type doesn't match this pre-conception, choose default and hope for the best. */ return m.matches() ? m.group(1) : "ISO-8859-1"; } static String unnull(String s) { return s == null ? "" : s; } }