upstream/mercurial-mirror Files · mercurial/cext/charencode.h

wireprotoserver: move all wire protocol handling logic out of hgweb...

wireprotoserver: move all wire protocol handling logic out of hgweb Previous patches from several days ago worked to isolate processing of HTTP wire protocol requests to wireprotoserver. We still had a little logic in hgweb. If feels like the right time to finish the job. This commit moves WSGI request servicing from hgweb to wireprotoserver. The ugly dict holding the parsed request is no more. I think the new code is cleaner. As part of this, we now process wire protocol requests before the block to obtain the "query" variable. This makes it clear that this wonky "query" variable is not used by the wire protocol. The wonkiest part about this code is the HTTP 404. I'm actually not sure what all is going on here. It looks like the code is trying to prevent URL with path components that specify a command from not working. That part I grok. What I don't grok is why we need to send a 404. I would think it would be OK to no-op and let another handler try to service the request. But if we do this, we get some subrepo test failures. So it looks like something is expecting the HTTP 404 and reacting to it in a specific way. It /might/ be possible to change the behavior here. But it isn't something I'm comfortable doing because I don't understand the problem space. Differential Revision: https://phab.mercurial-scm.org/D2740

Augie Fackler - - Load All Authors

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      /*

       charencode.h - miscellaneous character encoding

       This software may be used and distributed according to the terms of

       the GNU General Public License, incorporated herein by reference.

      */

      #ifndef _HG_CHARENCODE_H_

      #define _HG_CHARENCODE_H_

      #include <Python.h>

      #include "compat.h"

      /* This should be kept in sync with normcasespecs in encoding.py. */

      enum normcase_spec {

      	NORMCASE_LOWER = -1,

      	NORMCASE_UPPER = 1,

      	NORMCASE_OTHER = 0

      };

      PyObject *unhexlify(const char *str, Py_ssize_t len);

      PyObject *isasciistr(PyObject *self, PyObject *args);

      PyObject *asciilower(PyObject *self, PyObject *args);

      PyObject *asciiupper(PyObject *self, PyObject *args);

      PyObject *make_file_foldmap(PyObject *self, PyObject *args);

      PyObject *jsonescapeu8fast(PyObject *self, PyObject *args);

      /* clang-format off */

      static const int8_t hextable[256] = {

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	 0,  1,  2,  3,  4,  5,  6,  7,  8,  9, -1, -1, -1, -1, -1, -1, /* 0-9 */

      	-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* A-F */

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* a-f */

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1

      };

      /* clang-format on */

      static inline int hexdigit(const char *p, Py_ssize_t off)

      {

      	int8_t val = hextable[(unsigned char)p[off]];

      	if (val >= 0) {

      		return val;

      	}

      	PyErr_SetString(PyExc_ValueError, "input contains non-hex character");

      	return 0;

      }

      #endif /* _HG_CHARENCODE_H_ */

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				/*
				charencode.h - miscellaneous character encoding

				This software may be used and distributed according to the terms of
				the GNU General Public License, incorporated herein by reference.
				*/

				#ifndef _HG_CHARENCODE_H_
				#define _HG_CHARENCODE_H_

				#include <Python.h>
				#include "compat.h"

				/* This should be kept in sync with normcasespecs in encoding.py. */
				enum normcase_spec {
				NORMCASE_LOWER = -1,
				NORMCASE_UPPER = 1,
				NORMCASE_OTHER = 0
				};

				PyObject unhexlify(const char str, Py_ssize_t len);
				PyObject isasciistr(PyObject self, PyObject *args);
				PyObject asciilower(PyObject self, PyObject *args);
				PyObject asciiupper(PyObject self, PyObject *args);
				PyObject make_file_foldmap(PyObject self, PyObject *args);
				PyObject jsonescapeu8fast(PyObject self, PyObject *args);

				/* clang-format off */
				static const int8_t hextable[256] = {
				-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
				-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
				-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
				0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, /* 0-9 */
				-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* A-F */
				-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
				-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* a-f */
				-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
				-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
				-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
				-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
				-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
				-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
				-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
				-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
				-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
				};
				/* clang-format on */

				static inline int hexdigit(const char *p, Py_ssize_t off)
				{
				int8_t val = hextable[(unsigned char)p[off]];

				if (val >= 0) {
				return val;
				}

				PyErr_SetString(PyExc_ValueError, "input contains non-hex character");
				return 0;
				}

				#endif /* _HG_CHARENCODE_H_ */