This repository has been archived by the owner on Nov 28, 2023. It is now read-only.
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php_http_params.c
1283 lines (1081 loc) · 38.9 KB
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php_http_params.c
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/*
+--------------------------------------------------------------------+
| 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) 2004-2014, Michael Wallner <mike@php.net> |
+--------------------------------------------------------------------+
*/
#include "php_http_api.h"
static php_http_params_token_t def_param_sep = {",", 1}, *def_param_sep_ptr[] = {&def_param_sep, NULL};
static php_http_params_token_t def_arg_sep = {";", 1}, *def_arg_sep_ptr[] = {&def_arg_sep, NULL};
static php_http_params_token_t def_val_sep = {"=", 1}, *def_val_sep_ptr[] = {&def_val_sep, NULL};
static php_http_params_opts_t def_opts = {
{NULL, 0},
def_param_sep_ptr,
def_arg_sep_ptr,
def_val_sep_ptr,
NULL,
PHP_HTTP_PARAMS_DEFAULT
};
php_http_params_opts_t *php_http_params_opts_default_get(php_http_params_opts_t *opts)
{
if (!opts) {
opts = emalloc(sizeof(*opts));
}
memcpy(opts, &def_opts, sizeof(def_opts));
return opts;
}
typedef struct php_http_params_state {
php_http_params_token_t input;
php_http_params_token_t param;
php_http_params_token_t arg;
php_http_params_token_t val;
struct {
zval **param;
zval **args;
zval **val;
} current;
unsigned quotes:1;
unsigned escape:1;
unsigned rfc5987:1;
} php_http_params_state_t;
static inline void sanitize_escaped(zval *zv TSRMLS_DC)
{
if (Z_STRVAL_P(zv)[0] == '"' && Z_STRVAL_P(zv)[Z_STRLEN_P(zv) - 1] == '"') {
size_t deq_len = Z_STRLEN_P(zv) - 2;
char *deq = estrndup(Z_STRVAL_P(zv) + 1, deq_len);
zval_dtor(zv);
ZVAL_STRINGL(zv, deq, deq_len, 0);
}
php_stripcslashes(Z_STRVAL_P(zv), &Z_STRLEN_P(zv));
}
static inline void quote_string(zval *zv, zend_bool force TSRMLS_DC)
{
int len = Z_STRLEN_P(zv);
Z_STRVAL_P(zv) = php_addcslashes(Z_STRVAL_P(zv), Z_STRLEN_P(zv), &Z_STRLEN_P(zv), 1,
ZEND_STRL("\0..\37\173\\\"") TSRMLS_CC);
if (force || len != Z_STRLEN_P(zv) || strpbrk(Z_STRVAL_P(zv), "()<>@,;:\"[]?={} ")) {
zval tmp = *zv;
int len = Z_STRLEN_P(zv) + 2;
char *str = emalloc(len + 1);
str[0] = '"';
memcpy(&str[1], Z_STRVAL_P(zv), Z_STRLEN_P(zv));
str[len-1] = '"';
str[len] = '\0';
zval_dtor(&tmp);
ZVAL_STRINGL(zv, str, len, 0);
}
}
static inline void prepare_escaped(zval *zv TSRMLS_DC)
{
if (Z_TYPE_P(zv) == IS_STRING) {
quote_string(zv, 0 TSRMLS_CC);
} else {
zval_dtor(zv);
ZVAL_EMPTY_STRING(zv);
}
}
static inline void sanitize_urlencoded(zval *zv TSRMLS_DC)
{
Z_STRLEN_P(zv) = php_raw_url_decode(Z_STRVAL_P(zv), Z_STRLEN_P(zv));
}
static inline void prepare_urlencoded(zval *zv TSRMLS_DC)
{
int len;
char *str = php_raw_url_encode(Z_STRVAL_P(zv), Z_STRLEN_P(zv), &len);
zval_dtor(zv);
ZVAL_STRINGL(zv, str, len, 0);
}
static void sanitize_dimension(zval *zv TSRMLS_DC)
{
zval *arr = NULL, *tmp = NULL, **cur = NULL;
char *var = NULL, *ptr = Z_STRVAL_P(zv), *end = Z_STRVAL_P(zv) + Z_STRLEN_P(zv);
long level = 0;
MAKE_STD_ZVAL(arr);
array_init(arr);
cur = &arr;
while (ptr < end) {
if (!var) {
var = ptr;
}
switch (*ptr) {
case '[':
if (++level > PG(max_input_nesting_level)) {
zval_ptr_dtor(&arr);
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Max input nesting level of %ld exceeded", (long) PG(max_input_nesting_level));
return;
}
if (ptr - var == 0) {
++var;
break;
}
/* no break */
case ']':
MAKE_STD_ZVAL(tmp);
ZVAL_NULL(tmp);
convert_to_array(*cur);
if (ptr - var) {
char chr = *ptr;
*ptr = '\0';
zend_symtable_update(Z_ARRVAL_PP(cur), var, ptr - var + 1, (void *) &tmp, sizeof(zval *), (void *) &cur);
*ptr = chr;
} else {
zend_hash_next_index_insert(Z_ARRVAL_PP(cur), (void *) &tmp, sizeof(zval *), (void *) &cur);
}
var = NULL;
break;
}
++ptr;
}
if (zend_hash_num_elements(Z_ARRVAL_P(arr))) {
zval_dtor(zv);
#if PHP_VERSION_ID >= 50400
ZVAL_COPY_VALUE(zv, arr);
#else
zv->value = arr->value;
Z_TYPE_P(zv) = Z_TYPE_P(arr);
#endif
FREE_ZVAL(arr);
} else {
zval_ptr_dtor(&arr);
}
}
static inline void shift_key(php_http_buffer_t *buf, char *key_str, size_t key_len, const char *ass, size_t asl, unsigned flags TSRMLS_DC);
static inline void shift_val(php_http_buffer_t *buf, zval *zvalue, const char *vss, size_t vsl, unsigned flags TSRMLS_DC);
static void prepare_dimension(php_http_buffer_t *buf, php_http_buffer_t *keybuf, zval *zvalue, const char *pss, size_t psl, const char *vss, size_t vsl, unsigned flags TSRMLS_DC)
{
HashTable *ht = HASH_OF(zvalue);
HashPosition pos;
php_http_array_hashkey_t key = php_http_array_hashkey_init(0);
zval **val;
php_http_buffer_t prefix;
if (!ht->nApplyCount++) {
php_http_buffer_init(&prefix);
php_http_buffer_append(&prefix, keybuf->data, keybuf->used);
FOREACH_HASH_KEYVAL(pos, ht, key, val) {
if (key.type == HASH_KEY_IS_STRING && !*key.str) {
/* only public properties */
continue;
}
php_http_buffer_appends(&prefix, "[");
if (key.type == HASH_KEY_IS_STRING) {
php_http_buffer_append(&prefix, key.str, key.len - 1);
} else {
php_http_buffer_appendf(&prefix, "%lu", key.num);
}
php_http_buffer_appends(&prefix, "]");
if (Z_TYPE_PP(val) == IS_ARRAY || Z_TYPE_PP(val) == IS_OBJECT) {
prepare_dimension(buf, &prefix, *val, pss, psl, vss, vsl, flags TSRMLS_CC);
} else {
zval *cpy = php_http_ztyp(IS_STRING, *val);
shift_key(buf, prefix.data, prefix.used, pss, psl, flags TSRMLS_CC);
shift_val(buf, cpy, vss, vsl, flags TSRMLS_CC);
zval_ptr_dtor(&cpy);
}
php_http_buffer_cut(&prefix, keybuf->used, prefix.used - keybuf->used);
}
php_http_buffer_dtor(&prefix);
}
--ht->nApplyCount;
}
static inline void sanitize_key(unsigned flags, char *str, size_t len, zval *zv, zend_bool *rfc5987 TSRMLS_DC)
{
char *eos;
zval_dtor(zv);
php_trim(str, len, NULL, 0, zv, 3 TSRMLS_CC);
if (flags & PHP_HTTP_PARAMS_ESCAPED) {
sanitize_escaped(zv TSRMLS_CC);
}
if (!Z_STRLEN_P(zv)) {
return;
}
eos = &Z_STRVAL_P(zv)[Z_STRLEN_P(zv)-1];
if (*eos == '*') {
*eos = '\0';
*rfc5987 = 1;
Z_STRLEN_P(zv) -= 1;
}
if (flags & PHP_HTTP_PARAMS_URLENCODED) {
sanitize_urlencoded(zv TSRMLS_CC);
}
if (flags & PHP_HTTP_PARAMS_DIMENSION) {
sanitize_dimension(zv TSRMLS_CC);
}
}
static inline void sanitize_rfc5987(zval *zv, char **language, zend_bool *latin1 TSRMLS_DC)
{
char *ptr;
/* examples:
* iso-8850-1'de'bl%f6der%20schei%df%21
* utf-8'de-DE'bl%c3%b6der%20schei%c3%9f%21
*/
switch (Z_STRVAL_P(zv)[0]) {
case 'I':
case 'i':
if (!strncasecmp(Z_STRVAL_P(zv), "iso-8859-1", lenof("iso-8859-1"))) {
*latin1 = 1;
ptr = Z_STRVAL_P(zv) + lenof("iso-8859-1");
break;
}
/* no break */
case 'U':
case 'u':
if (!strncasecmp(Z_STRVAL_P(zv), "utf-8", lenof("utf-8"))) {
*latin1 = 0;
ptr = Z_STRVAL_P(zv) + lenof("utf-8");
break;
}
/* no break */
default:
return;
}
/* extract language */
if (*ptr == '\'') {
for (*language = ++ptr; *ptr && *ptr != '\''; ++ptr);
if (!*ptr) {
*language = NULL;
return;
}
*language = estrndup(*language, ptr - *language);
/* remainder */
ptr = estrdup(++ptr);
zval_dtor(zv);
ZVAL_STRING(zv, ptr, 0);
}
}
static inline void sanitize_rfc5988(char *str, size_t len, zval *zv TSRMLS_DC)
{
zval_dtor(zv);
php_trim(str, len, " ><", 3, zv, 3 TSRMLS_CC);
}
static inline void prepare_rfc5988(zval *zv TSRMLS_DC)
{
if (Z_TYPE_P(zv) != IS_STRING) {
zval_dtor(zv);
ZVAL_EMPTY_STRING(zv);
}
}
static void utf8encode(zval *zv)
{
size_t pos, len = 0;
unsigned char *ptr = (unsigned char *) Z_STRVAL_P(zv);
while (*ptr) {
if (*ptr++ >= 0x80) {
++len;
}
++len;
}
ptr = safe_emalloc(1, len, 1);
for (len = 0, pos = 0; len <= Z_STRLEN_P(zv); ++len, ++pos) {
ptr[pos] = Z_STRVAL_P(zv)[len];
if ((ptr[pos]) >= 0x80) {
ptr[pos + 1] = 0x80 | (ptr[pos] & 0x3f);
ptr[pos] = 0xc0 | ((ptr[pos] >> 6) & 0x1f);
++pos;
}
}
zval_dtor(zv);
ZVAL_STRINGL(zv, (char *) ptr, pos-1, 0);
}
static inline void sanitize_value(unsigned flags, char *str, size_t len, zval *zv, zend_bool rfc5987 TSRMLS_DC)
{
char *language = NULL;
zend_bool latin1 = 0;
zval_dtor(zv);
php_trim(str, len, NULL, 0, zv, 3 TSRMLS_CC);
if (rfc5987) {
sanitize_rfc5987(zv, &language, &latin1 TSRMLS_CC);
}
if (flags & PHP_HTTP_PARAMS_ESCAPED) {
sanitize_escaped(zv TSRMLS_CC);
}
if ((flags & PHP_HTTP_PARAMS_URLENCODED) || (rfc5987 && language)) {
sanitize_urlencoded(zv TSRMLS_CC);
}
if (rfc5987 && language) {
zval *tmp;
if (latin1) {
utf8encode(zv);
}
MAKE_STD_ZVAL(tmp);
ZVAL_COPY_VALUE(tmp, zv);
array_init(zv);
add_assoc_zval(zv, language, tmp);
PTR_FREE(language);
}
}
static inline void prepare_key(unsigned flags, char *old_key, size_t old_len, char **new_key, size_t *new_len TSRMLS_DC)
{
zval zv;
INIT_PZVAL(&zv);
ZVAL_STRINGL(&zv, old_key, old_len, 1);
if (flags & PHP_HTTP_PARAMS_URLENCODED) {
prepare_urlencoded(&zv TSRMLS_CC);
}
if (flags & PHP_HTTP_PARAMS_ESCAPED) {
if (flags & PHP_HTTP_PARAMS_RFC5988) {
prepare_rfc5988(&zv TSRMLS_CC);
} else {
prepare_escaped(&zv TSRMLS_CC);
}
}
*new_key = Z_STRVAL(zv);
*new_len = Z_STRLEN(zv);
}
static inline void prepare_value(unsigned flags, zval *zv TSRMLS_DC)
{
if (flags & PHP_HTTP_PARAMS_URLENCODED) {
prepare_urlencoded(zv TSRMLS_CC);
}
if (flags & PHP_HTTP_PARAMS_ESCAPED) {
prepare_escaped(zv TSRMLS_CC);
}
}
static void merge_param(HashTable *params, zval *zdata, zval ***current_param, zval ***current_args TSRMLS_DC)
{
zval **ptr, **zdata_ptr;
php_http_array_hashkey_t hkey = php_http_array_hashkey_init(0);
#if 0
{
zval tmp;
INIT_PZVAL_ARRAY(&tmp, params);
fprintf(stderr, "params = ");
zend_print_zval_r(&tmp, 1 TSRMLS_CC);
fprintf(stderr, "\n");
}
#endif
hkey.type = zend_hash_get_current_key_ex(Z_ARRVAL_P(zdata), &hkey.str, &hkey.len, &hkey.num, hkey.dup, NULL);
if ((hkey.type == HASH_KEY_IS_STRING && !zend_hash_exists(params, hkey.str, hkey.len))
|| (hkey.type == HASH_KEY_IS_LONG && !zend_hash_index_exists(params, hkey.num))
) {
zval *tmp, *arg, **args;
/* create the entry if it doesn't exist */
zend_hash_get_current_data(Z_ARRVAL_P(zdata), (void *) &ptr);
Z_ADDREF_PP(ptr);
MAKE_STD_ZVAL(tmp);
array_init(tmp);
add_assoc_zval_ex(tmp, ZEND_STRS("value"), *ptr);
MAKE_STD_ZVAL(arg);
array_init(arg);
zend_hash_update(Z_ARRVAL_P(tmp), "arguments", sizeof("arguments"), (void *) &arg, sizeof(zval *), (void *) &args);
*current_args = args;
if (hkey.type == HASH_KEY_IS_STRING) {
zend_hash_update(params, hkey.str, hkey.len, (void *) &tmp, sizeof(zval *), (void *) &ptr);
} else {
zend_hash_index_update(params, hkey.num, (void *) &tmp, sizeof(zval *), (void *) &ptr);
}
} else {
/* merge */
if (hkey.type == HASH_KEY_IS_STRING) {
zend_hash_find(params, hkey.str, hkey.len, (void *) &ptr);
} else {
zend_hash_index_find(params, hkey.num, (void *) &ptr);
}
zdata_ptr = &zdata;
if (Z_TYPE_PP(ptr) == IS_ARRAY
&& SUCCESS == zend_hash_find(Z_ARRVAL_PP(ptr), "value", sizeof("value"), (void *) &ptr)
&& SUCCESS == zend_hash_get_current_data(Z_ARRVAL_PP(zdata_ptr), (void *) &zdata_ptr)
) {
/*
* params = [arr => [value => [0 => 1]]]
* ^- ptr
* zdata = [arr => [0 => NULL]]
* ^- zdata_ptr
*/
zval **test_ptr;
while (Z_TYPE_PP(zdata_ptr) == IS_ARRAY
&& SUCCESS == zend_hash_get_current_data(Z_ARRVAL_PP(zdata_ptr), (void *) &test_ptr)
) {
if (Z_TYPE_PP(test_ptr) == IS_ARRAY) {
/* now find key in ptr */
if (HASH_KEY_IS_STRING == zend_hash_get_current_key_ex(Z_ARRVAL_PP(zdata_ptr), &hkey.str, &hkey.len, &hkey.num, hkey.dup, NULL)) {
if (SUCCESS == zend_hash_find(Z_ARRVAL_PP(ptr), hkey.str, hkey.len, (void *) &ptr)) {
zdata_ptr = test_ptr;
} else {
Z_ADDREF_PP(test_ptr);
zend_hash_update(Z_ARRVAL_PP(ptr), hkey.str, hkey.len, (void *) test_ptr, sizeof(zval *), (void *) &ptr);
break;
}
} else {
if (SUCCESS == zend_hash_index_find(Z_ARRVAL_PP(ptr), hkey.num, (void *) &ptr)) {
zdata_ptr = test_ptr;
} else if (hkey.num) {
Z_ADDREF_PP(test_ptr);
zend_hash_index_update(Z_ARRVAL_PP(ptr), hkey.num, (void *) test_ptr, sizeof(zval *), (void *) &ptr);
break;
} else {
Z_ADDREF_PP(test_ptr);
zend_hash_next_index_insert(Z_ARRVAL_PP(ptr), (void *) test_ptr, sizeof(zval *), (void *) &ptr);
break;
}
}
} else {
/* this is the leaf */
Z_ADDREF_PP(test_ptr);
if (Z_TYPE_PP(ptr) != IS_ARRAY) {
zval_dtor(*ptr);
array_init(*ptr);
}
if (HASH_KEY_IS_STRING == zend_hash_get_current_key_ex(Z_ARRVAL_PP(zdata_ptr), &hkey.str, &hkey.len, &hkey.num, hkey.dup, NULL)) {
zend_hash_update(Z_ARRVAL_PP(ptr), hkey.str, hkey.len, (void *) test_ptr, sizeof(zval *), (void *) &ptr);
} else if (hkey.num) {
zend_hash_index_update(Z_ARRVAL_PP(ptr), hkey.num, (void *) test_ptr, sizeof(zval *), (void *) &ptr);
} else {
zend_hash_next_index_insert(Z_ARRVAL_PP(ptr), (void *) test_ptr, sizeof(zval *), (void *) &ptr);
}
break;
}
}
}
}
/* bubble up */
while (Z_TYPE_PP(ptr) == IS_ARRAY && SUCCESS == zend_hash_get_current_data(Z_ARRVAL_PP(ptr), (void *) &ptr));
*current_param = ptr;
}
static void push_param(HashTable *params, php_http_params_state_t *state, const php_http_params_opts_t *opts TSRMLS_DC)
{
if (state->val.str) {
if (0 < (state->val.len = state->input.str - state->val.str)) {
sanitize_value(opts->flags, state->val.str, state->val.len, *(state->current.val), state->rfc5987 TSRMLS_CC);
}
state->rfc5987 = 0;
} else if (state->arg.str) {
if (0 < (state->arg.len = state->input.str - state->arg.str)) {
zval *val, key;
zend_bool rfc5987 = 0;
INIT_PZVAL(&key);
ZVAL_NULL(&key);
sanitize_key(opts->flags, state->arg.str, state->arg.len, &key, &rfc5987 TSRMLS_CC);
state->rfc5987 = rfc5987;
if (Z_TYPE(key) == IS_STRING && Z_STRLEN(key)) {
MAKE_STD_ZVAL(val);
ZVAL_TRUE(val);
if (rfc5987) {
zval **rfc;
if (SUCCESS == zend_hash_find(Z_ARRVAL_PP(state->current.args), ZEND_STRS("*rfc5987*"), (void *) &rfc)) {
zend_symtable_update(Z_ARRVAL_PP(rfc), Z_STRVAL(key), Z_STRLEN(key) + 1, (void *) &val, sizeof(zval *), (void *) &state->current.val);
} else {
zval *tmp;
MAKE_STD_ZVAL(tmp);
array_init_size(tmp, 1);
zend_symtable_update(Z_ARRVAL_P(tmp), Z_STRVAL(key), Z_STRLEN(key) + 1, (void *) &val, sizeof(zval *), (void *) &state->current.val);
zend_symtable_update(Z_ARRVAL_PP(state->current.args), ZEND_STRS("*rfc5987*"), (void *) &tmp, sizeof(zval *), NULL);
}
} else {
zend_symtable_update(Z_ARRVAL_PP(state->current.args), Z_STRVAL(key), Z_STRLEN(key) + 1, (void *) &val, sizeof(zval *), (void *) &state->current.val);
}
}
zval_dtor(&key);
}
} else if (state->param.str) {
if (0 < (state->param.len = state->input.str - state->param.str)) {
zval *prm, *arg, *val, *key;
zend_bool rfc5987 = 0;
MAKE_STD_ZVAL(key);
ZVAL_NULL(key);
if (opts->flags & PHP_HTTP_PARAMS_RFC5988) {
sanitize_rfc5988(state->param.str, state->param.len, key TSRMLS_CC);
} else {
sanitize_key(opts->flags, state->param.str, state->param.len, key, &rfc5987 TSRMLS_CC);
state->rfc5987 = rfc5987;
}
if (Z_TYPE_P(key) != IS_STRING) {
merge_param(params, key, &state->current.val, &state->current.args TSRMLS_CC);
} else if (Z_STRLEN_P(key)) {
MAKE_STD_ZVAL(prm);
array_init_size(prm, 2);
MAKE_STD_ZVAL(val);
if (opts->defval) {
ZVAL_COPY_VALUE(val, opts->defval);
zval_copy_ctor(val);
} else {
ZVAL_TRUE(val);
}
if (rfc5987 && (opts->flags & PHP_HTTP_PARAMS_RFC5987)) {
zend_hash_update(Z_ARRVAL_P(prm), "*rfc5987*", sizeof("*rfc5987*"), (void *) &val, sizeof(zval *), (void *) &state->current.val);
} else {
zend_hash_update(Z_ARRVAL_P(prm), "value", sizeof("value"), (void *) &val, sizeof(zval *), (void *) &state->current.val);
}
MAKE_STD_ZVAL(arg);
array_init_size(arg, 3);
zend_hash_update(Z_ARRVAL_P(prm), "arguments", sizeof("arguments"), (void *) &arg, sizeof(zval *), (void *) &state->current.args);
zend_symtable_update(params, Z_STRVAL_P(key), Z_STRLEN_P(key) + 1, (void *) &prm, sizeof(zval *), (void *) &state->current.param);
}
zval_ptr_dtor(&key);
}
}
}
static inline zend_bool check_str(const char *chk_str, size_t chk_len, const char *sep_str, size_t sep_len) {
return 0 < sep_len && chk_len >= sep_len && *chk_str == *sep_str && !memcmp(chk_str + 1, sep_str + 1, sep_len - 1);
}
static size_t check_sep(php_http_params_state_t *state, php_http_params_token_t **separators)
{
php_http_params_token_t **sep = separators;
if (state->quotes || state->escape) {
return 0;
}
if (sep) while (*sep) {
if (check_str(state->input.str, state->input.len, (*sep)->str, (*sep)->len)) {
return (*sep)->len;
}
++sep;
}
return 0;
}
static void skip_sep(size_t skip, php_http_params_state_t *state, php_http_params_token_t **param, php_http_params_token_t **arg, php_http_params_token_t **val TSRMLS_DC)
{
size_t sep_len;
state->input.str += skip;
state->input.len -= skip;
while ( (param && (sep_len = check_sep(state, param)))
|| (arg && (sep_len = check_sep(state, arg)))
|| (val && (sep_len = check_sep(state, val)))
) {
state->input.str += sep_len;
state->input.len -= sep_len;
}
}
HashTable *php_http_params_parse(HashTable *params, const php_http_params_opts_t *opts TSRMLS_DC)
{
php_http_params_state_t state = {{NULL,0}, {NULL,0}, {NULL,0}, {NULL,0}, {NULL,NULL,NULL}, 0, 0};
state.input.str = opts->input.str;
state.input.len = opts->input.len;
if (!params) {
ALLOC_HASHTABLE(params);
ZEND_INIT_SYMTABLE(params);
}
while (state.input.len) {
if ((opts->flags & PHP_HTTP_PARAMS_RFC5988) && !state.arg.str) {
if (*state.input.str == '<') {
state.quotes = 1;
} else if (*state.input.str == '>') {
state.quotes = 0;
}
} else if (*state.input.str == '"' && !state.escape) {
state.quotes = !state.quotes;
} else {
state.escape = (*state.input.str == '\\');
}
if (!state.param.str) {
/* initialize */
skip_sep(0, &state, opts->param, opts->arg, opts->val TSRMLS_CC);
state.param.str = state.input.str;
} else {
size_t sep_len;
/* are we at a param separator? */
if (0 < (sep_len = check_sep(&state, opts->param))) {
push_param(params, &state, opts TSRMLS_CC);
skip_sep(sep_len, &state, opts->param, opts->arg, opts->val TSRMLS_CC);
/* start off with a new param */
state.param.str = state.input.str;
state.param.len = 0;
state.arg.str = NULL;
state.arg.len = 0;
state.val.str = NULL;
state.val.len = 0;
continue;
} else
/* are we at an arg separator? */
if (0 < (sep_len = check_sep(&state, opts->arg))) {
push_param(params, &state, opts TSRMLS_CC);
skip_sep(sep_len, &state, NULL, opts->arg, opts->val TSRMLS_CC);
/* continue with a new arg */
state.arg.str = state.input.str;
state.arg.len = 0;
state.val.str = NULL;
state.val.len = 0;
continue;
} else
/* are we at a val separator? */
if (0 < (sep_len = check_sep(&state, opts->val))) {
/* only handle separator if we're not already reading in a val */
if (!state.val.str) {
push_param(params, &state, opts TSRMLS_CC);
skip_sep(sep_len, &state, NULL, NULL, opts->val TSRMLS_CC);
state.val.str = state.input.str;
state.val.len = 0;
continue;
}
}
}
if (state.input.len) {
++state.input.str;
--state.input.len;
}
}
/* finalize */
push_param(params, &state, opts TSRMLS_CC);
return params;
}
static inline void shift_key(php_http_buffer_t *buf, char *key_str, size_t key_len, const char *ass, size_t asl, unsigned flags TSRMLS_DC)
{
char *str;
size_t len;
if (buf->used) {
php_http_buffer_append(buf, ass, asl);
}
prepare_key(flags, key_str, key_len, &str, &len TSRMLS_CC);
php_http_buffer_append(buf, str, len);
efree(str);
}
static inline void shift_rfc5987(php_http_buffer_t *buf, zval *zvalue, const char *vss, size_t vsl, unsigned flags TSRMLS_DC)
{
HashTable *ht = HASH_OF(zvalue);
zval **zdata, *tmp;
php_http_array_hashkey_t key = php_http_array_hashkey_init(0);
if (SUCCESS == zend_hash_get_current_data(ht, (void *) &zdata)
&& HASH_KEY_NON_EXISTENT != (key.type = zend_hash_get_current_key_ex(ht, &key.str, &key.len, &key.num, key.dup, NULL))
) {
php_http_array_hashkey_stringify(&key);
php_http_buffer_appendf(buf, "*%.*sutf-8'%.*s'",
(int) (vsl > INT_MAX ? INT_MAX : vsl), vss,
(int) (key.len > INT_MAX ? INT_MAX : key.len), key.str);
php_http_array_hashkey_stringfree(&key);
tmp = php_http_zsep(1, IS_STRING, *zdata);
prepare_value(flags | PHP_HTTP_PARAMS_URLENCODED, tmp TSRMLS_CC);
php_http_buffer_append(buf, Z_STRVAL_P(tmp), Z_STRLEN_P(tmp));
zval_ptr_dtor(&tmp);
}
}
static inline void shift_rfc5988(php_http_buffer_t *buf, char *key_str, size_t key_len, const char *ass, size_t asl, unsigned flags TSRMLS_DC)
{
char *str;
size_t len;
if (buf->used) {
php_http_buffer_append(buf, ass, asl);
}
prepare_key(flags, key_str, key_len, &str, &len TSRMLS_CC);
php_http_buffer_appends(buf, "<");
php_http_buffer_append(buf, str, len);
php_http_buffer_appends(buf, ">");
efree(str);
}
static inline void shift_rfc5988_val(php_http_buffer_t *buf, zval *zv, const char *vss, size_t vsl, unsigned flags TSRMLS_DC)
{
zval *tmp = php_http_zsep(1, IS_STRING, zv);
quote_string(tmp, 1 TSRMLS_CC);
php_http_buffer_append(buf, vss, vsl);
php_http_buffer_append(buf, Z_STRVAL_P(tmp), Z_STRLEN_P(tmp));
zval_ptr_dtor(&tmp);
}
static inline void shift_val(php_http_buffer_t *buf, zval *zvalue, const char *vss, size_t vsl, unsigned flags TSRMLS_DC)
{
if (Z_TYPE_P(zvalue) != IS_BOOL) {
zval *tmp = php_http_zsep(1, IS_STRING, zvalue);
prepare_value(flags, tmp TSRMLS_CC);
php_http_buffer_append(buf, vss, vsl);
php_http_buffer_append(buf, Z_STRVAL_P(tmp), Z_STRLEN_P(tmp));
zval_ptr_dtor(&tmp);
} else if (!Z_BVAL_P(zvalue)) {
php_http_buffer_append(buf, vss, vsl);
php_http_buffer_appends(buf, "0");
}
}
static void shift_arg(php_http_buffer_t *buf, char *key_str, size_t key_len, zval *zvalue, const char *ass, size_t asl, const char *vss, size_t vsl, unsigned flags TSRMLS_DC)
{
if (Z_TYPE_P(zvalue) == IS_ARRAY || Z_TYPE_P(zvalue) == IS_OBJECT) {
HashPosition pos;
php_http_array_hashkey_t key = php_http_array_hashkey_init(0);
zval **val;
zend_bool rfc5987 = !strcmp(key_str, "*rfc5987*");
if (!rfc5987) {
shift_key(buf, key_str, key_len, ass, asl, flags TSRMLS_CC);
}
FOREACH_KEYVAL(pos, zvalue, key, val) {
/* did you mean recursion? */
php_http_array_hashkey_stringify(&key);
if (rfc5987 && (Z_TYPE_PP(val) == IS_ARRAY || Z_TYPE_PP(val) == IS_OBJECT)) {
shift_key(buf, key.str, key.len-1, ass, asl, flags TSRMLS_CC);
shift_rfc5987(buf, *val, vss, vsl, flags TSRMLS_CC);
} else {
shift_arg(buf, key.str, key.len-1, *val, ass, asl, vss, vsl, flags TSRMLS_CC);
}
php_http_array_hashkey_stringfree(&key);
}
} else {
shift_key(buf, key_str, key_len, ass, asl, flags TSRMLS_CC);
if (flags & PHP_HTTP_PARAMS_RFC5988) {
switch (key_len) {
case lenof("rel"):
case lenof("title"):
case lenof("anchor"):
/* some args must be quoted */
if (0 <= php_http_select_str(key_str, 3, "rel", "title", "anchor")) {
shift_rfc5988_val(buf, zvalue, vss, vsl, flags TSRMLS_CC);
return;
}
break;
}
}
shift_val(buf, zvalue, vss, vsl, flags TSRMLS_CC);
}
}
static void shift_param(php_http_buffer_t *buf, char *key_str, size_t key_len, zval *zvalue, const char *pss, size_t psl, const char *ass, size_t asl, const char *vss, size_t vsl, unsigned flags, zend_bool rfc5987 TSRMLS_DC)
{
if (Z_TYPE_P(zvalue) == IS_ARRAY || Z_TYPE_P(zvalue) == IS_OBJECT) {
/* treat as arguments, unless we care for dimensions or rfc5987 */
if (flags & PHP_HTTP_PARAMS_DIMENSION) {
php_http_buffer_t *keybuf = php_http_buffer_from_string(key_str, key_len);
prepare_dimension(buf, keybuf, zvalue, pss, psl, vss, vsl, flags TSRMLS_CC);
php_http_buffer_free(&keybuf);
} else if (rfc5987) {
shift_key(buf, key_str, key_len, pss, psl, flags TSRMLS_CC);
shift_rfc5987(buf, zvalue, vss, vsl, flags TSRMLS_CC);
} else {
shift_arg(buf, key_str, key_len, zvalue, ass, asl, vss, vsl, flags TSRMLS_CC);
}
} else {
if (flags & PHP_HTTP_PARAMS_RFC5988) {
shift_rfc5988(buf, key_str, key_len, pss, psl, flags TSRMLS_CC);
} else {
shift_key(buf, key_str, key_len, pss, psl, flags TSRMLS_CC);
}
shift_val(buf, zvalue, vss, vsl, flags TSRMLS_CC);
}
}
php_http_buffer_t *php_http_params_to_string(php_http_buffer_t *buf, HashTable *params, const char *pss, size_t psl, const char *ass, size_t asl, const char *vss, size_t vsl, unsigned flags TSRMLS_DC)
{
zval **zparam;
HashPosition pos, pos1;
php_http_array_hashkey_t key = php_http_array_hashkey_init(0), key1 = php_http_array_hashkey_init(0);
zend_bool rfc5987 = 0;
if (!buf) {
buf = php_http_buffer_init(NULL);
}
FOREACH_HASH_KEYVAL(pos, params, key, zparam) {
zval **zvalue, **zargs;
if (Z_TYPE_PP(zparam) != IS_ARRAY) {
zvalue = zparam;
} else {
if (SUCCESS != zend_hash_find(Z_ARRVAL_PP(zparam), ZEND_STRS("value"), (void *) &zvalue)) {
if (SUCCESS != zend_hash_find(Z_ARRVAL_PP(zparam), ZEND_STRS("*rfc5987*"), (void *) &zvalue)) {
zvalue = zparam;
} else {
rfc5987 = 1;
}
}
}
php_http_array_hashkey_stringify(&key);
shift_param(buf, key.str, key.len - 1, *zvalue, pss, psl, ass, asl, vss, vsl, flags, rfc5987 TSRMLS_CC);
php_http_array_hashkey_stringfree(&key);
if (Z_TYPE_PP(zparam) == IS_ARRAY && SUCCESS != zend_hash_find(Z_ARRVAL_PP(zparam), ZEND_STRS("arguments"), (void *) &zvalue)) {
if (zvalue == zparam) {
continue;
}
zvalue = zparam;
}
if (Z_TYPE_PP(zvalue) == IS_ARRAY) {
FOREACH_KEYVAL(pos1, *zvalue, key1, zargs) {
if (zvalue == zparam && key1.type == HASH_KEY_IS_STRING && !strcmp(key1.str, "value")) {
continue;
}
php_http_array_hashkey_stringify(&key1);
shift_arg(buf, key1.str, key1.len - 1, *zargs, ass, asl, vss, vsl, flags TSRMLS_CC);
php_http_array_hashkey_stringfree(&key1);
}
}
}
php_http_buffer_shrink(buf);
php_http_buffer_fix(buf);
return buf;
}
php_http_params_token_t **php_http_params_separator_init(zval *zv TSRMLS_DC)
{
zval **sep;
HashPosition pos;
php_http_params_token_t **ret, **tmp;
if (!zv) {
return NULL;
}
zv = php_http_ztyp(IS_ARRAY, zv);
ret = ecalloc(zend_hash_num_elements(Z_ARRVAL_P(zv)) + 1, sizeof(*ret));
tmp = ret;
FOREACH_VAL(pos, zv, sep) {
zval *zt = php_http_ztyp(IS_STRING, *sep);
if (Z_STRLEN_P(zt)) {
*tmp = emalloc(sizeof(**tmp));
(*tmp)->str = estrndup(Z_STRVAL_P(zt), (*tmp)->len = Z_STRLEN_P(zt));
++tmp;
}
zval_ptr_dtor(&zt);
}
zval_ptr_dtor(&zv);
*tmp = NULL;
return ret;
}
void php_http_params_separator_free(php_http_params_token_t **separator)
{
php_http_params_token_t **sep = separator;
if (sep) {
while (*sep) {
PTR_FREE((*sep)->str);
efree(*sep);
++sep;
}
efree(separator);
}
}
ZEND_BEGIN_ARG_INFO_EX(ai_HttpParams___construct, 0, 0, 0)
ZEND_ARG_INFO(0, params)
ZEND_ARG_INFO(0, param_sep)
ZEND_ARG_INFO(0, arg_sep)
ZEND_ARG_INFO(0, val_sep)
ZEND_ARG_INFO(0, flags)
ZEND_END_ARG_INFO();
PHP_METHOD(HttpParams, __construct)
{
zval *zcopy, *zparams = NULL, *param_sep = NULL, *arg_sep = NULL, *val_sep = NULL;
long flags = PHP_HTTP_PARAMS_DEFAULT;
zend_error_handling zeh;
php_http_expect(SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|z!/z/z/z/l", &zparams, ¶m_sep, &arg_sep, &val_sep, &flags), invalid_arg, return);
zend_replace_error_handling(EH_THROW, php_http_exception_runtime_class_entry, &zeh TSRMLS_CC);
{
switch (ZEND_NUM_ARGS()) {
case 5:
zend_update_property_long(php_http_params_class_entry, getThis(), ZEND_STRL("flags"), flags TSRMLS_CC);
/* no break */
case 4:
zend_update_property(php_http_params_class_entry, getThis(), ZEND_STRL("val_sep"), val_sep TSRMLS_CC);
/* no break */
case 3:
zend_update_property(php_http_params_class_entry, getThis(), ZEND_STRL("arg_sep"), arg_sep TSRMLS_CC);