#include "php_ini.h"
#include "SAPI.h"
+#include "rfc1867.h"
+#include "php_variables.h"
#include "php_session.h"
#include "ext/standard/md5.h"
#include "ext/standard/sha1.h"
PHPAPI ZEND_DECLARE_MODULE_GLOBALS(ps);
+static int php_session_rfc1867_callback(unsigned int event, void *event_data, void **extra TSRMLS_DC);
+static int (*php_session_rfc1867_orig_callback)(unsigned int event, void *event_data, void **extra TSRMLS_DC);
+
/* ***********
* Helpers *
*********** */
}
/* }}} */
+static PHP_INI_MH(OnUpdateRfc1867Freq) /* {{{ */
+{
+ int tmp;
+ tmp = zend_atoi(new_value, new_value_length);
+ if(tmp < 0) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "session.upload_progress.freq must be greater than or equal to zero");
+ return FAILURE;
+ }
+ if(new_value_length > 0 && new_value[new_value_length-1] == '%') {
+ if(tmp > 100) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "session.upload_progress.freq cannot be over 100%%");
+ return FAILURE;
+ }
+ PS(rfc1867_freq) = -tmp;
+ } else {
+ PS(rfc1867_freq) = tmp;
+ }
+ return SUCCESS;
+} /* }}} */
+
+static ZEND_INI_MH(OnUpdateSmartStr) /* {{{ */
+{
+ smart_str *p;
+#ifndef ZTS
+ char *base = (char *) mh_arg2;
+#else
+ char *base;
+
+ base = (char *) ts_resource(*((int *) mh_arg2));
+#endif
+
+ p = (smart_str *) (base+(size_t) mh_arg1);
+
+ smart_str_sets(p, new_value);
+
+ return SUCCESS;
+}
+/* }}} */
+
/* {{{ PHP_INI
*/
PHP_INI_BEGIN()
PHP_INI_ENTRY("session.hash_function", "0", PHP_INI_ALL, OnUpdateHashFunc)
STD_PHP_INI_ENTRY("session.hash_bits_per_character", "4", PHP_INI_ALL, OnUpdateLong, hash_bits_per_character, php_ps_globals, ps_globals)
+ /* Upload progress */
+ STD_PHP_INI_BOOLEAN("session.upload_progress.enabled",
+ "1", ZEND_INI_PERDIR, OnUpdateBool, rfc1867_enabled, php_ps_globals, ps_globals)
+ STD_PHP_INI_ENTRY("session.upload_progress.prefix",
+ "upload_progress_", ZEND_INI_PERDIR, OnUpdateSmartStr, rfc1867_prefix, php_ps_globals, ps_globals)
+ STD_PHP_INI_ENTRY("session.upload_progress.name",
+ "PHP_SESSION_UPLOAD_PROGRESS", ZEND_INI_PERDIR, OnUpdateSmartStr, rfc1867_name, php_ps_globals, ps_globals)
+ STD_PHP_INI_ENTRY("session.upload_progress.freq", "1%", ZEND_INI_PERDIR, OnUpdateRfc1867Freq, rfc1867_freq, php_ps_globals, ps_globals)
+ STD_PHP_INI_ENTRY("session.upload_progress.min_freq",
+ "1", ZEND_INI_PERDIR, OnUpdateReal, rfc1867_min_freq,php_ps_globals, ps_globals)
+
/* Commented out until future discussion */
/* PHP_INI_ENTRY("session.encode_sources", "globals,track", PHP_INI_ALL, NULL) */
PHP_INI_END()
* Module Setup and Destruction *
******************************** */
-static PHP_RINIT_FUNCTION(session) /* {{{ */
+static int php_rinit_session(zend_bool auto_start TSRMLS_DC) /* {{{ */
{
php_rinit_session_globals(TSRMLS_C);
return SUCCESS;
}
- if (PS(auto_start)) {
+ if (auto_start) {
php_session_start(TSRMLS_C);
}
return SUCCESS;
+} /* }}} */
+
+static PHP_RINIT_FUNCTION(session) /* {{{ */
+{
+ return php_rinit_session(PS(auto_start) TSRMLS_CC);
}
/* }}} */
#ifdef HAVE_LIBMM
PHP_MINIT(ps_mm) (INIT_FUNC_ARGS_PASSTHRU);
#endif
+ php_session_rfc1867_orig_callback = php_rfc1867_callback;
+ php_rfc1867_callback = php_session_rfc1867_callback;
return SUCCESS;
}
/* }}} */
};
/* }}} */
+/* ************************
+ * Upload hook handling *
+ ************************ */
+
+static void php_session_rfc1867_early_find_sid(php_session_rfc1867_progress *progress TSRMLS_DC) /* {{{ */
+{
+ zval **ppid;
+
+ if (PS(use_cookies)) {
+ sapi_module.treat_data(PARSE_COOKIE, NULL, NULL TSRMLS_CC);
+ if (PG(http_globals)[TRACK_VARS_COOKIE]
+ && zend_hash_find(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_COOKIE]), PS(session_name), progress->sname_len+1, (void **)&ppid) == SUCCESS) {
+ zval_dtor(&progress->sid);
+ ZVAL_ZVAL(&progress->sid, *ppid, 1, 0);
+ convert_to_string(&progress->sid);
+ progress->apply_trans_sid = 0;
+ return;
+ }
+ }
+ if (PS(use_only_cookies)) {
+ return;
+ }
+ sapi_module.treat_data(PARSE_GET, NULL, NULL TSRMLS_CC);
+ if (PG(http_globals)[TRACK_VARS_GET]
+ && zend_hash_find(Z_ARRVAL_P(PG(http_globals)[TRACK_VARS_GET]), PS(session_name), progress->sname_len+1, (void **)&ppid) == SUCCESS) {
+
+ zval_dtor(&progress->sid);
+ ZVAL_ZVAL(&progress->sid, *ppid, 1, 0);
+ convert_to_string(&progress->sid);
+ }
+} /* }}} */
+
+static zend_bool php_session_rfc1867_check_cancel_upload(php_session_rfc1867_progress *progress TSRMLS_DC) /* {{{ */
+{
+ zval **progress_ary, **cancel_upload;
+
+ if (zend_symtable_find(Z_ARRVAL_P(PS(http_session_vars)), progress->key.c, progress->key.len+1, (void**)&progress_ary) != SUCCESS) {
+ return 0;
+ }
+ if (Z_TYPE_PP(progress_ary) != IS_ARRAY) {
+ return 0;
+ }
+ if (zend_hash_find(Z_ARRVAL_PP(progress_ary), "cancel_upload", sizeof("cancel_upload"), (void**)&cancel_upload) != SUCCESS) {
+ return 0;
+ }
+ return zend_is_true(*cancel_upload);
+
+} /* }}} */
+
+static void php_session_rfc1867_update(php_session_rfc1867_progress *progress, int force_update TSRMLS_DC) /* {{{ */
+{
+ if (!force_update) {
+ if (Z_LVAL_P(progress->post_bytes_processed) < progress->next_update) {
+ return;
+ }
+#ifdef HAVE_GETTIMEOFDAY
+ if (PS(rfc1867_min_freq) > 0.0) {
+ struct timeval tv = {0};
+ double dtv;
+ gettimeofday(&tv, NULL);
+ dtv = (double) tv.tv_sec + tv.tv_usec / 1000000.0;
+ if (dtv < progress->next_update_time) {
+ return;
+ }
+ progress->next_update_time = dtv + PS(rfc1867_min_freq);
+ }
+#endif
+ progress->next_update = Z_LVAL_P(progress->post_bytes_processed) + progress->update_step;
+ }
+
+ php_session_initialize(TSRMLS_C);
+ PS(session_status) = php_session_active;
+ IF_SESSION_VARS() {
+ if (!progress->cancel_upload && php_session_rfc1867_check_cancel_upload(progress TSRMLS_CC)) {
+ progress->cancel_upload = 1;
+ }
+ ZEND_SET_SYMBOL_WITH_LENGTH(Z_ARRVAL_P(PS(http_session_vars)), progress->key.c, progress->key.len+1, progress->data, 2, 0);
+ }
+ php_session_flush(TSRMLS_C);
+} /* }}} */
+
+static int php_session_rfc1867_callback(unsigned int event, void *event_data, void **extra TSRMLS_DC) /* {{{ */
+{
+ php_session_rfc1867_progress *progress;
+ int retval = SUCCESS;
+
+ if (php_session_rfc1867_orig_callback) {
+ retval = php_session_rfc1867_orig_callback(event, event_data, extra TSRMLS_CC);
+ }
+ if (!PS(rfc1867_enabled)) {
+ return retval;
+ }
+
+ progress = PS(rfc1867_progress);
+
+ switch(event) {
+ case MULTIPART_EVENT_START: {
+ multipart_event_start *data = (multipart_event_start *) event_data;
+ progress = ecalloc(1, sizeof(php_session_rfc1867_progress));
+ progress->content_length = data->content_length;
+ progress->sname_len = strlen(PS(session_name));
+ PS(rfc1867_progress) = progress;
+ }
+ break;
+ case MULTIPART_EVENT_FORMDATA: {
+ multipart_event_formdata *data = (multipart_event_formdata *) event_data;
+ size_t value_len;
+
+ /* orig callback may have modified *data->newlength */
+ if (data->newlength) {
+ value_len = *data->newlength;
+ } else {
+ value_len = data->length;
+ }
+
+ if (data->name && data->value && value_len) {
+ size_t name_len = strlen(data->name);
+
+ if (name_len == progress->sname_len && memcmp(data->name, PS(session_name), name_len) == 0) {
+ zval_dtor(&progress->sid);
+ ZVAL_STRINGL(&progress->sid, (*data->value), value_len, 1);
+ convert_to_string(&progress->sid);
+
+ } else if (name_len == PS(rfc1867_name).len && memcmp(data->name, PS(rfc1867_name).c, name_len) == 0) {
+ smart_str_free(&progress->key);
+ smart_str_appendl(&progress->key, PS(rfc1867_prefix).c, PS(rfc1867_prefix).len);
+ smart_str_appendl(&progress->key, *data->value, value_len);
+ smart_str_0(&progress->key);
+
+ progress->apply_trans_sid = PS(use_trans_sid);
+ php_session_rfc1867_early_find_sid(progress TSRMLS_CC);
+ }
+ }
+ }
+ break;
+ case MULTIPART_EVENT_FILE_START: {
+ multipart_event_file_start *data = (multipart_event_file_start *) event_data;
+
+ /* Do nothing when $_POST["PHP_SESSION_UPLOAD_PROGRESS"] is not set
+ * or when we have no session id */
+ if (!Z_TYPE(progress->sid) || !progress->key.c) {
+ break;
+ }
+
+ /* First FILE_START event, initializing data */
+ if (!progress->data) {
+
+ if (PS(rfc1867_freq) == 0) {
+ progress->update_step = 0;
+ } else if (PS(rfc1867_freq) < 0) { // % of total size
+ progress->update_step = progress->content_length * PS(rfc1867_freq) / 100;
+ }
+ progress->next_update = 0;
+ progress->next_update_time = 0.0;
+
+ ALLOC_INIT_ZVAL(progress->data);
+ array_init(progress->data);
+
+ ALLOC_INIT_ZVAL(progress->post_bytes_processed);
+ ZVAL_LONG(progress->post_bytes_processed, data->post_bytes_processed);
+
+ ALLOC_INIT_ZVAL(progress->files);
+ array_init(progress->files);
+
+ add_assoc_long_ex(progress->data, "start_time", sizeof("start_time"), (long)sapi_get_request_time(TSRMLS_C));
+ add_assoc_long_ex(progress->data, "content_length", sizeof("content_length"), progress->content_length);
+ add_assoc_zval_ex(progress->data, "bytes_processed", sizeof("bytes_processed"), progress->post_bytes_processed);
+ add_assoc_bool_ex(progress->data, "done", sizeof("done"), 0);
+ add_assoc_zval_ex(progress->data, "files", sizeof("files"), progress->files);
+
+ php_rinit_session(0 TSRMLS_CC);
+ PS(id) = estrndup(Z_STRVAL(progress->sid), Z_STRLEN(progress->sid));
+ PS(apply_trans_sid) = progress->apply_trans_sid;
+ PS(send_cookie) = 0;
+ }
+
+ ALLOC_INIT_ZVAL(progress->current_file);
+ array_init(progress->current_file);
+
+ ALLOC_INIT_ZVAL(progress->current_file_bytes_processed);
+ ZVAL_LONG(progress->current_file_bytes_processed, 0);
+
+ /* Each uploaded file has its own array. Trying to make it close to $_FILES entries. */
+ add_assoc_string_ex(progress->current_file, "field_name", sizeof("field_name"), data->name, 1);
+ add_assoc_string_ex(progress->current_file, "name", sizeof("name"), *data->filename, 1);
+ add_assoc_null_ex(progress->current_file, "tmp_name", sizeof("tmp_name"));
+ add_assoc_long_ex(progress->current_file, "error", sizeof("error"), 0);
+
+ add_assoc_long_ex(progress->current_file, "done", sizeof("done"), 0);
+ add_assoc_long_ex(progress->current_file, "start_time", sizeof("start_time"), (long)time(NULL));
+ add_assoc_zval_ex(progress->current_file, "bytes_processed", sizeof("bytes_processed"), progress->current_file_bytes_processed);
+
+ add_next_index_zval(progress->files, progress->current_file);
+
+ Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
+
+ php_session_rfc1867_update(progress, 0 TSRMLS_CC);
+ }
+ break;
+ case MULTIPART_EVENT_FILE_DATA: {
+ multipart_event_file_data *data = (multipart_event_file_data *) event_data;
+
+ if (!Z_TYPE(progress->sid) || !progress->key.c) {
+ break;
+ }
+
+ Z_LVAL_P(progress->current_file_bytes_processed) = data->offset + data->length;
+ Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
+
+ php_session_rfc1867_update(progress, 0 TSRMLS_CC);
+ }
+ break;
+ case MULTIPART_EVENT_FILE_END: {
+ multipart_event_file_end *data = (multipart_event_file_end *) event_data;
+
+ if (!Z_TYPE(progress->sid) || !progress->key.c) {
+ break;
+ }
+
+ if (data->temp_filename) {
+ add_assoc_string_ex(progress->current_file, "tmp_name", sizeof("tmp_name"), data->temp_filename, 1);
+ }
+ add_assoc_long_ex(progress->current_file, "error", sizeof("error"), data->cancel_upload);
+ add_assoc_bool_ex(progress->current_file, "done", sizeof("done"), 1);
+
+ Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
+
+ php_session_rfc1867_update(progress, 0 TSRMLS_CC);
+ }
+ break;
+ case MULTIPART_EVENT_END: {
+ multipart_event_end *data = (multipart_event_end *) event_data;
+
+ if (Z_TYPE(progress->sid) && progress->key.c) {
+ add_assoc_bool_ex(progress->data, "done", sizeof("done"), 1);
+ Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
+ php_session_rfc1867_update(progress, 1 TSRMLS_CC);
+ php_rshutdown_session_globals(TSRMLS_C);
+ }
+
+ if (progress->data) {
+ zval_ptr_dtor(&progress->data);
+ }
+ zval_dtor(&progress->sid);
+ smart_str_free(&progress->key);
+ efree(progress);
+ progress = NULL;
+ PS(rfc1867_progress) = NULL;
+ }
+ break;
+ }
+
+ if (progress && progress->cancel_upload) {
+ return FAILURE;
+ }
+ return retval;
+
+} /* }}} */
+
zend_module_entry session_module_entry = {
STANDARD_MODULE_HEADER_EX,
NULL,