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fastcgi_split_path_info
This commit is contained in:
Igor Sysoev
parent
73f9bb4d01
commit
1b8267cea2
@ -22,6 +22,11 @@ typedef struct {
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ngx_array_t *fastcgi_lengths;
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ngx_array_t *fastcgi_values;
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#if (NGX_PCRE)
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ngx_regex_t *split_regex;
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ngx_str_t split_name;
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#endif
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} ngx_http_fastcgi_loc_conf_t;
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@ -56,6 +61,9 @@ typedef struct {
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ngx_uint_t fastcgi_stdout; /* unsigned :1 */
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ngx_array_t *split_parts;
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ngx_str_t script_name;
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ngx_str_t path_info;
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} ngx_http_fastcgi_ctx_t;
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@ -125,9 +133,15 @@ static char *ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf,
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void *parent, void *child);
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static ngx_int_t ngx_http_fastcgi_script_name_variable(ngx_http_request_t *r,
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ngx_http_variable_value_t *v, uintptr_t data);
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static ngx_int_t ngx_http_fastcgi_path_info_variable(ngx_http_request_t *r,
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ngx_http_variable_value_t *v, uintptr_t data);
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static ngx_int_t ngx_http_fastcgi_split(ngx_http_request_t *r,
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ngx_http_fastcgi_ctx_t *f, ngx_http_fastcgi_loc_conf_t *flcf);
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static char *ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd,
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void *conf);
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static char *ngx_http_fastcgi_split_path_info(ngx_conf_t *cf,
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ngx_command_t *cmd, void *conf);
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static char *ngx_http_fastcgi_store(ngx_conf_t *cf, ngx_command_t *cmd,
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void *conf);
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static char *ngx_http_fastcgi_lowat_check(ngx_conf_t *cf, void *post,
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@ -171,6 +185,13 @@ static ngx_command_t ngx_http_fastcgi_commands[] = {
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offsetof(ngx_http_fastcgi_loc_conf_t, index),
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NULL },
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{ ngx_string("fastcgi_split_path_info"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_http_fastcgi_split_path_info,
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NGX_HTTP_LOC_CONF_OFFSET,
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0,
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NULL },
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{ ngx_string("fastcgi_store"),
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NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
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ngx_http_fastcgi_store,
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@ -390,8 +411,18 @@ static ngx_http_fastcgi_request_start_t ngx_http_fastcgi_request_start = {
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};
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static ngx_str_t ngx_http_fastcgi_script_name =
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ngx_string("fastcgi_script_name");
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static ngx_http_variable_t ngx_http_fastcgi_vars[] = {
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{ ngx_string("fastcgi_script_name"), NULL,
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ngx_http_fastcgi_script_name_variable, 0,
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NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
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{ ngx_string("fastcgi_path_info"), NULL,
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ngx_http_fastcgi_path_info_variable, 0,
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NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
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{ ngx_null_string, NULL, NULL, 0, 0, 0 }
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};
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static ngx_str_t ngx_http_fastcgi_hide_headers[] = {
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@ -410,6 +441,7 @@ ngx_http_fastcgi_handler(ngx_http_request_t *r)
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{
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ngx_int_t rc;
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ngx_http_upstream_t *u;
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ngx_http_fastcgi_ctx_t *f;
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ngx_http_fastcgi_loc_conf_t *flcf;
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if (r->subrequest_in_memory) {
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@ -419,7 +451,12 @@ ngx_http_fastcgi_handler(ngx_http_request_t *r)
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return NGX_HTTP_INTERNAL_SERVER_ERROR;
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}
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ngx_http_set_ctx(r, NULL, ngx_http_fastcgi_module);
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f = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_ctx_t));
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if (f == NULL) {
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return NGX_ERROR;
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}
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ngx_http_set_ctx(r, f, ngx_http_fastcgi_module);
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u = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_t));
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if (u == NULL) {
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@ -933,15 +970,6 @@ ngx_http_fastcgi_process_header(ngx_http_request_t *r)
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umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module);
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if (f == NULL) {
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f = ngx_pcalloc(r->pool, sizeof(ngx_http_fastcgi_ctx_t));
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if (f == NULL) {
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return NGX_ERROR;
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}
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ngx_http_set_ctx(r, f, ngx_http_fastcgi_module);
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}
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u = r->upstream;
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for ( ;; ) {
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@ -1666,16 +1694,18 @@ ngx_http_fastcgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc)
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static ngx_int_t
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ngx_http_fastcgi_add_variables(ngx_conf_t *cf)
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{
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ngx_http_variable_t *var;
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ngx_http_variable_t *var, *v;
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var = ngx_http_add_variable(cf, &ngx_http_fastcgi_script_name,
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NGX_HTTP_VAR_NOHASH|NGX_HTTP_VAR_NOCACHEABLE);
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if (var == NULL) {
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return NGX_ERROR;
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for (v = ngx_http_fastcgi_vars; v->name.len; v++) {
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var = ngx_http_add_variable(cf, &v->name, v->flags);
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if (var == NULL) {
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return NGX_ERROR;
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}
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var->get_handler = v->get_handler;
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var->data = v->data;
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}
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var->get_handler = ngx_http_fastcgi_script_name_variable;
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return NGX_OK;
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}
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@ -1933,6 +1963,13 @@ ngx_http_fastcgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
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conf->fastcgi_values = prev->fastcgi_values;
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}
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#if (NGX_PCRE)
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if (conf->split_regex == NULL) {
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conf->split_regex = prev->split_regex;
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conf->split_name = prev->split_name;
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}
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#endif
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if (conf->params_source == NULL) {
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conf->flushes = prev->flushes;
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conf->params_len = prev->params_len;
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@ -2071,45 +2108,117 @@ ngx_http_fastcgi_script_name_variable(ngx_http_request_t *r,
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ngx_http_variable_value_t *v, uintptr_t data)
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{
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u_char *p;
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ngx_http_fastcgi_ctx_t *f;
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ngx_http_fastcgi_loc_conf_t *flcf;
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if (r->uri.len) {
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f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
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flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
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if (ngx_http_fastcgi_split(r, f, flcf) != NGX_OK) {
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return NGX_ERROR;
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}
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if (f->script_name.len == 0
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|| f->script_name.data[f->script_name.len - 1] != '/')
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{
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v->len = f->script_name.len;
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v->valid = 1;
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v->no_cacheable = 0;
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v->not_found = 0;
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flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
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if (r->uri.data[r->uri.len - 1] != '/') {
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v->len = r->uri.len;
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v->data = r->uri.data;
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return NGX_OK;
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}
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v->len = r->uri.len + flcf->index.len;
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v->data = ngx_pnalloc(r->pool, v->len);
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if (v->data == NULL) {
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return NGX_ERROR;
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}
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p = ngx_copy(v->data, r->uri.data, r->uri.len);
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ngx_memcpy(p, flcf->index.data, flcf->index.len);
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} else {
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v->len = 0;
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v->valid = 1;
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v->no_cacheable = 0;
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v->not_found = 0;
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v->data = NULL;
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v->data = f->script_name.data;
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return NGX_OK;
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}
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v->len = f->script_name.len + flcf->index.len;
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v->data = ngx_pnalloc(r->pool, v->len);
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if (v->data == NULL) {
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return NGX_ERROR;
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}
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p = ngx_copy(v->data, f->script_name.data, f->script_name.len);
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ngx_memcpy(p, flcf->index.data, flcf->index.len);
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return NGX_OK;
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}
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static ngx_int_t
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ngx_http_fastcgi_path_info_variable(ngx_http_request_t *r,
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ngx_http_variable_value_t *v, uintptr_t data)
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{
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ngx_http_fastcgi_ctx_t *f;
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ngx_http_fastcgi_loc_conf_t *flcf;
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f = ngx_http_get_module_ctx(r, ngx_http_fastcgi_module);
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flcf = ngx_http_get_module_loc_conf(r, ngx_http_fastcgi_module);
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if (ngx_http_fastcgi_split(r, f, flcf) != NGX_OK) {
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return NGX_ERROR;
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}
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v->len = f->path_info.len;
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v->valid = 1;
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v->no_cacheable = 0;
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v->not_found = 0;
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v->data = f->path_info.data;
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return NGX_OK;
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}
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static ngx_int_t
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ngx_http_fastcgi_split(ngx_http_request_t *r, ngx_http_fastcgi_ctx_t *f,
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ngx_http_fastcgi_loc_conf_t *flcf)
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{
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#if (NGX_PCRE)
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ngx_int_t n;
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int captures[(1 + 2) * 3];
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if (f->script_name.len) {
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return NGX_OK;
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}
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if (flcf->split_regex == NULL) {
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f->script_name = r->uri;
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return NGX_OK;
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}
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n = ngx_regex_exec(flcf->split_regex, &r->uri, captures, (1 + 2) * 3);
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if (n == NGX_REGEX_NO_MATCHED) {
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f->script_name = r->uri;
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return NGX_OK;
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}
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if (n < 0) {
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ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
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ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"",
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n, &r->uri, &flcf->split_name);
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return NGX_ERROR;
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}
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/* match */
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f->script_name.len = captures[3] - captures[2];
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f->script_name.data = r->uri.data;
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f->path_info.len = captures[5] - captures[4];
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f->path_info.data = r->uri.data + f->script_name.len;
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return NGX_OK;
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#else
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f->script_name = r->uri;
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return NGX_OK;
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#endif
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}
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static char *
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ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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{
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@ -2171,6 +2280,57 @@ ngx_http_fastcgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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}
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static char *
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ngx_http_fastcgi_split_path_info(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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{
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#if (NGX_PCRE)
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ngx_http_fastcgi_loc_conf_t *flcf = conf;
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ngx_int_t n;
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ngx_str_t *value, err;
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u_char errstr[NGX_MAX_CONF_ERRSTR];
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value = cf->args->elts;
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flcf->split_name = value[1];
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err.len = NGX_MAX_CONF_ERRSTR;
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err.data = errstr;
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flcf->split_regex = ngx_regex_compile(&value[1], 0, cf->pool, &err);
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if (flcf->split_regex == NULL) {
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ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%s", err.data);
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return NGX_CONF_ERROR;
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}
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n = ngx_regex_capture_count(flcf->split_regex);
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if (n < 0) {
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ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
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ngx_regex_capture_count_n " failed for "
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"pattern \"%V\"", &value[1]);
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return NGX_CONF_ERROR;
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}
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if (n != 2) {
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ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
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"pattern \"%V\" must have 2 captures", &value[1]);
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return NGX_CONF_ERROR;
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}
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return NGX_CONF_OK;
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#else
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ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
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"\"%V\" requires PCRE library", &cmd->name);
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return NGX_CONF_ERROR;
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#endif
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}
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static char *
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ngx_http_fastcgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
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{
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