+++ /dev/null
-/*
- +--------------------------------------------------------------------+
- | PECL :: http |
- +--------------------------------------------------------------------+
- | Redistribution and use in source and binary forms, with or without |
- | modification, are permitted provided that the conditions mentioned |
- | in the accompanying LICENSE file are met. |
- +--------------------------------------------------------------------+
- | Copyright (c) 2004-2010, Michael Wallner <mike@php.net> |
- +--------------------------------------------------------------------+
-*/
-
-/* $Id$ */
-
-#include "php_http.h"
-
-#include "php_http_api.h"
-#include "php_http_date_api.h"
-
-static inline int check_day(const char *day, size_t len);
-static inline int check_month(const char *month);
-static inline int check_tzone(const char *tzone);
-static inline time_t parse_date(const char *month);
-
-/* {{{ day/month names */
-static const char *days[] = {
- "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
-};
-static const char *wkdays[] = {
- "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"
-};
-static const char *weekdays[] = {
- "Monday", "Tuesday", "Wednesday",
- "Thursday", "Friday", "Saturday", "Sunday"
-};
-static const char *months[] = {
- "Jan", "Feb", "Mar", "Apr", "May", "Jun",
- "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
-};
-enum assume_next {
- DATE_MDAY,
- DATE_YEAR,
- DATE_TIME
-};
-#define DS -60
-static const struct time_zone {
- const char *name;
- const int offset;
-} time_zones[] = {
- {"GMT", 0}, /* Greenwich Mean */
- {"UTC", 0}, /* Universal (Coordinated) */
- {"WET", 0}, /* Western European */
- {"BST", 0 DS}, /* British Summer */
- {"WAT", 60}, /* West Africa */
- {"AST", 240}, /* Atlantic Standard */
- {"ADT", 240 DS},/* Atlantic Daylight */
- {"EST", 300}, /* Eastern Standard */
- {"EDT", 300 DS},/* Eastern Daylight */
- {"CST", 360}, /* Central Standard */
- {"CDT", 360 DS},/* Central Daylight */
- {"MST", 420}, /* Mountain Standard */
- {"MDT", 420 DS},/* Mountain Daylight */
- {"PST", 480}, /* Pacific Standard */
- {"PDT", 480 DS},/* Pacific Daylight */
- {"YST", 540}, /* Yukon Standard */
- {"YDT", 540 DS},/* Yukon Daylight */
- {"HST", 600}, /* Hawaii Standard */
- {"HDT", 600 DS},/* Hawaii Daylight */
- {"CAT", 600}, /* Central Alaska */
- {"AHST", 600}, /* Alaska-Hawaii Standard */
- {"NT", 660}, /* Nome */
- {"IDLW", 720}, /* International Date Line West */
- {"CET", -60}, /* Central European */
- {"MET", -60}, /* Middle European */
- {"MEWT", -60}, /* Middle European Winter */
- {"MEST", -60 DS},/* Middle European Summer */
- {"CEST", -60 DS},/* Central European Summer */
- {"MESZ", -60 DS},/* Middle European Summer */
- {"FWT", -60}, /* French Winter */
- {"FST", -60 DS},/* French Summer */
- {"EET", -120}, /* Eastern Europe, USSR Zone 1 */
- {"WAST", -420}, /* West Australian Standard */
- {"WADT", -420 DS},/* West Australian Daylight */
- {"CCT", -480}, /* China Coast, USSR Zone 7 */
- {"JST", -540}, /* Japan Standard, USSR Zone 8 */
- {"EAST", -600}, /* Eastern Australian Standard */
- {"EADT", -600 DS},/* Eastern Australian Daylight */
- {"GST", -600}, /* Guam Standard, USSR Zone 9 */
- {"NZT", -720}, /* New Zealand */
- {"NZST", -720}, /* New Zealand Standard */
- {"NZDT", -720 DS},/* New Zealand Daylight */
- {"IDLE", -720}, /* International Date Line East */
-};
-/* }}} */
-
-/* {{{ Day/Month/TZ checks for http_parse_date()
- Originally by libcurl, Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al. */
-static inline int check_day(const char *day, size_t len)
-{
- int i;
- const char * const *check = (len > 3) ? &weekdays[0] : &wkdays[0];
- for (i = 0; i < 7; i++) {
- if (!strcmp(day, check[0])) {
- return i;
- }
- check++;
- }
- return -1;
-}
-
-static inline int check_month(const char *month)
-{
- int i;
- const char * const *check = &months[0];
- for (i = 0; i < 12; i++) {
- if (!strcmp(month, check[0])) {
- return i;
- }
- check++;
- }
- return -1;
-}
-
-/* return the time zone offset between GMT and the input one, in number
- of seconds or -1 if the timezone wasn't found/legal */
-
-static inline int check_tzone(const char *tzone)
-{
- unsigned i;
- const struct time_zone *check = time_zones;
- for (i = 0; i < sizeof(time_zones) / sizeof(time_zones[0]); i++) {
- if (!strcmp(tzone, check->name)) {
- return check->offset * 60;
- }
- check++;
- }
- return -1;
-}
-/* }}} */
-
-/* {{{ char *http_date(time_t) */
-PHP_HTTP_API char *_http_date(time_t t TSRMLS_DC)
-{
- char *date = NULL;
- struct tm *gmtime = NULL, tmbuf;
-
- memset(&tmbuf, 0, sizeof(tmbuf));
- if ((gmtime = php_gmtime_r(&t, &tmbuf))) {
- spprintf(&date, 0,
- "%s, %02d %s %04d %02d:%02d:%02d GMT",
- days[gmtime->tm_wday], gmtime->tm_mday,
- months[gmtime->tm_mon], gmtime->tm_year + 1900,
- gmtime->tm_hour, gmtime->tm_min, gmtime->tm_sec
- );
- }
-
- return date;
-}
-/* }}} */
-
-/* {{{ time_t http_parse_date(char *) */
-PHP_HTTP_API time_t _http_parse_date_ex(const char *date, zend_bool silent TSRMLS_DC)
-{
- time_t t = parse_date(date);
-
- if (-1 == t && !silent) {
- http_error_ex(HE_NOTICE, HTTP_E_RUNTIME, "Could not parse date: %s", date);
- }
-
- return t;
-}
-/* }}} */
-
-/* time_t parse_date(char *)
- Originally by libcurl, Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al. */
-static inline time_t parse_date(const char *date)
-{
- time_t t = 0;
- int tz_offset = -1, year = -1, month = -1, monthday = -1, weekday = -1,
- hours = -1, minutes = -1, seconds = -1;
- struct tm tm;
- enum assume_next dignext = DATE_MDAY;
- const char *indate = date;
-
- int part = 0; /* max 6 parts */
-
- while (*date && (part < 6)) {
- int found = 0;
-
- while (*date && !HTTP_IS_CTYPE(alnum, *date)) {
- date++;
- }
-
- if (HTTP_IS_CTYPE(alpha, *date)) {
- /* a name coming up */
- char buf[32] = "";
- size_t len;
- sscanf(date, "%31[A-Za-z]", buf);
- len = strlen(buf);
-
- if (weekday == -1) {
- weekday = check_day(buf, len);
- if (weekday != -1) {
- found = 1;
- }
- }
-
- if (!found && (month == -1)) {
- month = check_month(buf);
- if (month != -1) {
- found = 1;
- }
- }
-
- if (!found && (tz_offset == -1)) {
- /* this just must be a time zone string */
- tz_offset = check_tzone(buf);
- if (tz_offset != -1) {
- found = 1;
- }
- }
-
- if (!found) {
- return -1; /* bad string */
- }
- date += len;
- }
- else if (HTTP_IS_CTYPE(digit, *date)) {
- /* a digit */
- int val;
- char *end;
- if ((seconds == -1) &&
- (3 == sscanf(date, "%02d:%02d:%02d", &hours, &minutes, &seconds))) {
- /* time stamp! */
- date += 8;
- found = 1;
- }
- else {
- val = (int) strtol(date, &end, 10);
-
- if ((tz_offset == -1) && ((end - date) == 4) && (val < 1300) &&
- (indate < date) && ((date[-1] == '+' || date[-1] == '-'))) {
- /* four digits and a value less than 1300 and it is preceeded with
- a plus or minus. This is a time zone indication. */
- found = 1;
- tz_offset = (val / 100 * 60 + val % 100) * 60;
-
- /* the + and - prefix indicates the local time compared to GMT,
- this we need ther reversed math to get what we want */
- tz_offset = date[-1] == '+' ? -tz_offset : tz_offset;
- }
-
- if (((end - date) == 8) && (year == -1) && (month == -1) && (monthday == -1)) {
- /* 8 digits, no year, month or day yet. This is YYYYMMDD */
- found = 1;
- year = val / 10000;
- month = (val % 10000) / 100 - 1; /* month is 0 - 11 */
- monthday = val % 100;
- }
-
- if (!found && (dignext == DATE_MDAY) && (monthday == -1)) {
- if ((val > 0) && (val < 32)) {
- monthday = val;
- found = 1;
- }
- dignext = DATE_YEAR;
- }
-
- if (!found && (dignext == DATE_YEAR) && (year == -1)) {
- year = val;
- found = 1;
- if (year < 1900) {
- year += year > 70 ? 1900 : 2000;
- }
- if(monthday == -1) {
- dignext = DATE_MDAY;
- }
- }
-
- if (!found) {
- return -1;
- }
-
- date = end;
- }
- }
-
- part++;
- }
-
- if (-1 == seconds) {
- seconds = minutes = hours = 0; /* no time, make it zero */
- }
-
- if ((-1 == monthday) || (-1 == month) || (-1 == year)) {
- /* lacks vital info, fail */
- return -1;
- }
-
- if (sizeof(time_t) < 5) {
- /* 32 bit time_t can only hold dates to the beginning of 2038 */
- if (year > 2037) {
- return 0x7fffffff;
- }
- }
-
- tm.tm_sec = seconds;
- tm.tm_min = minutes;
- tm.tm_hour = hours;
- tm.tm_mday = monthday;
- tm.tm_mon = month;
- tm.tm_year = year - 1900;
- tm.tm_wday = 0;
- tm.tm_yday = 0;
- tm.tm_isdst = 0;
-
- t = mktime(&tm);
-
- /* time zone adjust */
- if (t != -1) {
- struct tm *gmt, keeptime2;
- long delta;
- time_t t2;
-
- if((gmt = php_gmtime_r(&t, &keeptime2))) {
- tm = *gmt; /* MSVC quirks */
- } else {
- return -1; /* illegal date/time */
- }
-
- t2 = mktime(&tm);
-
- /* Add the time zone diff (between the given timezone and GMT) and the
- diff between the local time zone and GMT. */
- delta = (tz_offset != -1 ? tz_offset : 0) + (t - t2);
-
- if((delta > 0) && (t + delta < t)) {
- return -1; /* time_t overflow */
- }
-
- t += delta;
- }
-
- return t;
-}
-/* }}} */
-
-
-/*
- * Local variables:
- * tab-width: 4
- * c-basic-offset: 4
- * End:
- * vim600: sw=4 ts=4 fdm=marker
- * vim<600: sw=4 ts=4
- */
-
projects / m6w6 / ext-http / blobdiff