private int parseHeaders(HttpServletResponse res, InputStream is) throws IOException {
CharBuffer key = new CharBuffer();
CharBuffer value = new CharBuffer();
int ch = is.read();
if (ch < 0) {
log.fine("Can't contact FastCGI");
res.sendError(404);
return -1;
}
while (ch >= 0) {
key.clear();
value.clear();
for (; ch >= 0 && ch != ' ' && ch != '\r' && ch != '\n' && ch != ':'; ch = is.read()) {
key.append((char) ch);
}
for (; ch >= 0 && ch == ' ' || ch == ':'; ch = is.read()) {}
for (; ch >= 0 && ch != '\r' && ch != '\n'; ch = is.read()) {
value.append((char) ch);
}
if (ch == '\r') {
ch = is.read();
if (ch == '\n') ch = is.read();
}
if (key.length() == 0) return ch;
if (log.isLoggable(Level.FINE)) log.fine("fastcgi:" + key + ": " + value);
if (key.equalsIgnoreCase("status")) {
int status = 0;
int len = value.length();
for (int i = 0; i < len; i++) {
char digit = value.charAt(i);
if ('0' <= digit && digit <= '9') status = 10 * status + digit - '0';
else break;
}
res.setStatus(status);
} else if (key.startsWith("http") || key.startsWith("HTTP")) {
} else if (key.equalsIgnoreCase("location")) {
res.sendRedirect(value.toString());
} else res.addHeader(key.toString(), value.toString());
}
return ch;
}
private void checkMetaEncoding(Element elt) {
String http = elt.getAttribute("http-equiv");
String content = elt.getAttribute("content");
if (http.equals("") || content.equals("") || !http.equalsIgnoreCase("content-type")) return;
CharCursor cursor = new StringCharCursor(content);
charsetScanner.scan(cursor);
charsetScanner.skip(cursor);
CharBuffer buf = CharBuffer.allocate();
while (cursor.current() != cursor.DONE) {
buf.clear();
charsetScanner.scan(cursor, buf);
if (buf.toString().equalsIgnoreCase("charset")) {
charsetScanner.skip(cursor);
buf.clear();
charsetScanner.scan(cursor, buf);
if (buf.length() > 0) {
try {
is.setEncoding(buf.close());
} catch (IOException e) {
}
return;
}
}
}
}
/** Adds a parameter. */
public void addParam(String name, String value) {
if (name == null) return;
if (value == null) value = "";
if (_query.length() != 0) _query.append('&');
_query.append(name);
_query.append('=');
int len = value.length();
for (int i = 0; i < len; i++) {
char ch = value.charAt(i);
switch (ch) {
case '&':
_query.append("%26");
break;
case '%':
_query.append("%25");
break;
case '+':
_query.append("%2b");
break;
case '=':
_query.append("%3d");
break;
default:
_query.append(ch);
break;
}
}
}
/** Parses the access log string. */
private ArrayList<Segment> parseFormat(String format) {
ArrayList<Segment> segments = new ArrayList<Segment>();
CharBuffer cb = new CharBuffer();
int i = 0;
while (i < _format.length()) {
char ch = _format.charAt(i++);
if (ch != '%' || i >= _format.length()) {
cb.append((char) ch);
continue;
}
String arg = null;
ch = _format.charAt(i++);
if (ch == '>') ch = _format.charAt(i++);
else if (ch == '{') {
if (cb.length() > 0) segments.add(new Segment(this, Segment.TEXT, cb.toString()));
cb.clear();
while (i < _format.length() && _format.charAt(i++) != '}') cb.append(_format.charAt(i - 1));
arg = cb.toString();
cb.clear();
ch = _format.charAt(i++);
}
switch (ch) {
case 'b':
case 'c':
case 'h':
case 'i':
case 'l':
case 'n':
case 'r':
case 's':
case 'T':
case 'D':
case 'o':
case 'u':
case 'U':
case 'v':
if (cb.length() > 0) segments.add(new Segment(this, Segment.TEXT, cb.toString()));
cb.clear();
segments.add(new Segment(this, ch, arg));
break;
case 't':
if (cb.length() > 0) segments.add(new Segment(this, Segment.TEXT, cb.toString()));
cb.clear();
if (arg != null) _timeFormat = arg;
segments.add(new Segment(this, ch, arg));
break;
default:
cb.append('%');
i--;
break;
}
}
cb.append(CauchoSystem.getNewlineString());
segments.add(new Segment(this, Segment.TEXT, cb.toString()));
return segments;
}
/** Parse the headers returned from the server. */
private void parseHeaders() throws IOException {
CharBuffer line = new CharBuffer();
// Skip blank lines
int count = 0;
do {
line.clear();
if (!_rs.readln(line)) {
_isKeepalive = false;
return;
}
} while (line.length() == 0 && ++count < 10);
if (line.length() == 0) {
_isKeepalive = false;
return;
}
if (line.startsWith("HTTP/1.1 100")) {
count = 100;
do {
line.clear();
if (!_rs.readln(line)) {
_isKeepalive = false;
return;
}
} while (line.length() != 0 && count-- > 0);
count = 100;
do {
line.clear();
if (!_rs.readln(line)) {
_isKeepalive = false;
return;
}
} while (line.length() == 0 && count-- > 0);
}
if (line.length() == 0) {
_isKeepalive = false;
return;
}
int i = 0;
for (i = 0; i < line.length() && line.charAt(i) != ' '; i++) {}
for (; i < line.length() && line.charAt(i) == ' '; i++) {}
int status = 0;
for (; i < line.length(); i++) {
char ch = line.charAt(i);
if (ch >= '0' && ch <= '9') status = 10 * status + ch - '0';
else break;
}
if (status != 200) _isKeepalive = false;
else if (!line.startsWith("HTTP/1.1 ")) _isKeepalive = false;
_attributes.put("status", String.valueOf(status));
_attributes.put("status-message", line.toString());
CharBuffer key = new CharBuffer();
while (true) {
line.clear();
if (!_rs.readln(line) || line.length() == 0) break;
int lineLength = line.length();
for (i = 0; i < lineLength && Character.isWhitespace(line.charAt(i)); i++) {}
key.clear();
for (;
i < lineLength && !Character.isWhitespace(line.charAt(i)) && line.charAt(i) != ':';
i++) {
key.append((char) line.charAt(i));
}
for (; i < lineLength && Character.isWhitespace(line.charAt(i)); i++) {}
if (key.length() == 0 || lineLength <= i || line.charAt(i) != ':') continue;
for (i++; i < lineLength && Character.isWhitespace(line.charAt(i)); i++) {}
key.toLowerCase();
String value = line.substring(i);
if (log.isLoggable(Level.FINE)) log.fine(key + ": " + value);
if (key.matchesIgnoreCase("content-length")) {
_contentLength = Integer.parseInt(value.trim());
} else if (key.matchesIgnoreCase("connection") && value.equalsIgnoreCase("close")) {
_isKeepalive = false;
} else if (key.matchesIgnoreCase("transfer-encoding") && value.equalsIgnoreCase("chunked")) {
_isChunked = true;
_chunkLength = 0;
}
String keyString = key.toLowerCase().toString();
String oldValue = (String) _attributes.put(keyString, value);
if (oldValue != null) {
value = oldValue + '\n' + value;
}
_attributes.put(keyString, value);
}
}
