r2202, r2408, r2425, r2454, r2459, r2482, r2504, r2542, r2565, r2579,

r2580, r2585, r2586, r2587, r2591, r2626 merge:

try_files
This commit is contained in:
Igor Sysoev 2009-04-02 06:44:45 +00:00
parent d10e29e06d
commit a2b7cebbea
6 changed files with 333 additions and 2 deletions

View File

@ -52,9 +52,25 @@ typedef struct {
#define ngx_strstr(s1, s2) strstr((const char *) s1, (const char *) s2)
#define ngx_strchr(s1, c) strchr((const char *) s1, (int) c)
#define ngx_strlen(s) strlen((const char *) s)
#define ngx_strchr(s1, c) strchr((const char *) s1, (int) c)
static ngx_inline u_char *
ngx_strlchr(u_char *p, u_char *last, u_char c)
{
while (p < last) {
if (*p == c) {
return p;
}
p++;
}
return NULL;
}
/*
* msvc and icc7 compile memset() to the inline "rep stos"

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@ -406,7 +406,7 @@ ngx_http_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
use_rewrite = cmcf->phases[NGX_HTTP_REWRITE_PHASE].handlers.nelts ? 1 : 0;
use_access = cmcf->phases[NGX_HTTP_ACCESS_PHASE].handlers.nelts ? 1 : 0;
n = use_rewrite + use_access + 1; /* find config phase */
n = use_rewrite + use_access + cmcf->try_files + 1 /* find config phase */;
for (i = 0; i < NGX_HTTP_LOG_PHASE; i++) {
n += cmcf->phases[i].handlers.nelts;
@ -475,6 +475,15 @@ ngx_http_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
continue;
case NGX_HTTP_TRY_FILES_PHASE:
if (cmcf->try_files) {
ph->checker = ngx_http_core_try_files_phase;
n++;
ph++;
}
continue;
case NGX_HTTP_CONTENT_PHASE:
checker = ngx_http_core_content_phase;
break;

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@ -71,6 +71,8 @@ ngx_int_t ngx_http_parse_unsafe_uri(ngx_http_request_t *r, ngx_str_t *uri,
ngx_int_t ngx_http_parse_header_line(ngx_http_request_t *r, ngx_buf_t *b);
ngx_int_t ngx_http_parse_multi_header_lines(ngx_array_t *headers,
ngx_str_t *name, ngx_str_t *value);
void ngx_http_split_args(ngx_http_request_t *r, ngx_str_t *uri,
ngx_str_t *args);
ngx_int_t ngx_http_find_server_conf(ngx_http_request_t *r);
void ngx_http_update_location_config(ngx_http_request_t *r);

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@ -62,6 +62,8 @@ static char *ngx_http_core_limit_except(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_error_page(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_try_files(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf);
static char *ngx_http_core_error_log(ngx_conf_t *cf, ngx_command_t *cmd,
@ -530,6 +532,13 @@ static ngx_command_t ngx_http_core_commands[] = {
0,
NULL },
{ ngx_string("try_files"),
NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
ngx_http_core_try_files,
NGX_HTTP_LOC_CONF_OFFSET,
0,
NULL },
{ ngx_string("post_action"),
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF
|NGX_CONF_TAKE1,
@ -1011,6 +1020,185 @@ ngx_http_core_post_access_phase(ngx_http_request_t *r,
}
ngx_int_t
ngx_http_core_try_files_phase(ngx_http_request_t *r,
ngx_http_phase_handler_t *ph)
{
size_t len, root, alias, reserve, allocated;
u_char *p, *name;
ngx_str_t path, args;
ngx_uint_t test_dir;
ngx_http_try_file_t *tf;
ngx_open_file_info_t of;
ngx_http_script_code_pt code;
ngx_http_script_engine_t e;
ngx_http_core_loc_conf_t *clcf;
ngx_http_script_len_code_pt lcode;
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"try files phase: %ui", r->phase_handler);
clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
if (clcf->try_files == NULL) {
r->phase_handler++;
return NGX_AGAIN;
}
allocated = 0;
root = 0;
name = NULL;
/* suppress MSVC warning */
path.data = NULL;
tf = clcf->try_files;
alias = clcf->alias ? clcf->name.len : 0;
for ( ;; ) {
if (tf->lengths) {
ngx_memzero(&e, sizeof(ngx_http_script_engine_t));
e.ip = tf->lengths->elts;
e.request = r;
/* 1 is for terminating '\0' as in static names */
len = 1;
while (*(uintptr_t *) e.ip) {
lcode = *(ngx_http_script_len_code_pt *) e.ip;
len += lcode(&e);
}
} else {
len = tf->name.len;
}
/* 16 bytes are preallocation */
reserve = ngx_abs((ssize_t) (len - r->uri.len)) + alias + 16;
if (reserve > allocated) {
/* we just need to allocate path and to copy a root */
if (ngx_http_map_uri_to_path(r, &path, &root, reserve) == NULL) {
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_OK;
}
name = path.data + root;
allocated = path.len - root - (r->uri.len - alias);
}
if (tf->values == NULL) {
/* tf->name.len includes the terminating '\0' */
ngx_memcpy(name, tf->name.data, tf->name.len);
path.len = (name + tf->name.len - 1) - path.data;
} else {
e.ip = tf->values->elts;
e.pos = name;
e.flushed = 1;
while (*(uintptr_t *) e.ip) {
code = *(ngx_http_script_code_pt *) e.ip;
code((ngx_http_script_engine_t *) &e);
}
path.len = e.pos - path.data;
*e.pos = '\0';
if (alias && ngx_strncmp(name, clcf->name.data, alias) == 0) {
ngx_memcpy(name, name + alias, len - alias);
path.len -= alias;
}
}
test_dir = tf->test_dir;
tf++;
ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"try to use file: \"%s\" \"%s\"", name, path.data);
if (tf->lengths == NULL && tf->name.len == 0) {
path.len -= root;
path.data += root;
if (path.data[0] == '@') {
(void) ngx_http_named_location(r, &path);
} else {
ngx_http_split_args(r, &path, &args);
(void) ngx_http_internal_redirect(r, &path, &args);
}
return NGX_OK;
}
ngx_memzero(&of, sizeof(ngx_open_file_info_t));
of.valid = clcf->open_file_cache_valid;
of.min_uses = clcf->open_file_cache_min_uses;
of.errors = clcf->open_file_cache_errors;
of.events = clcf->open_file_cache_events;
if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool)
!= NGX_OK)
{
if (of.err != NGX_ENOENT && of.err != NGX_ENOTDIR) {
ngx_log_error(NGX_LOG_CRIT, r->connection->log, of.err,
ngx_open_file_n " \"%s\" failed", path.data);
}
continue;
}
if (of.is_dir && !test_dir) {
continue;
}
path.len -= root;
path.data += root;
if (!alias) {
r->uri = path;
} else {
r->uri.len = alias + path.len;
r->uri.data = ngx_palloc(r->pool, r->uri.len);
if (r->uri.data == NULL) {
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_OK;
}
p = ngx_copy(r->uri.data, clcf->name.data, alias);
ngx_memcpy(p, name, path.len);
}
if (ngx_http_set_exten(r) != NGX_OK) {
ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
return NGX_OK;
}
ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"try file uri: \"%V\"", &r->uri);
r->phase_handler++;
return NGX_AGAIN;
}
/* not reached */
}
ngx_int_t
ngx_http_core_content_phase(ngx_http_request_t *r,
ngx_http_phase_handler_t *ph)
@ -2687,6 +2875,7 @@ ngx_http_core_create_loc_conf(ngx_conf_t *cf)
* lcf->default_type = { 0, NULL };
* lcf->err_log = NULL;
* lcf->error_pages = NULL;
* lcf->try_files = NULL;
* lcf->client_body_path = NULL;
* lcf->regex = NULL;
* lcf->exact_match = 0;
@ -3605,6 +3794,71 @@ ngx_http_core_error_page(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
}
static char *
ngx_http_core_try_files(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{
ngx_http_core_loc_conf_t *clcf = conf;
ngx_str_t *value;
ngx_uint_t i, n;
ngx_http_try_file_t *tf;
ngx_http_script_compile_t sc;
ngx_http_core_main_conf_t *cmcf;
if (clcf->try_files) {
return "is duplicate";
}
cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module);
cmcf->try_files = 1;
tf = ngx_pcalloc(cf->pool, cf->args->nelts * sizeof(ngx_http_try_file_t));
if (tf == NULL) {
return NGX_CONF_ERROR;
}
clcf->try_files = tf;
value = cf->args->elts;
for (i = 0; i < cf->args->nelts - 1; i++) {
tf[i].name = value[i + 1];
if (tf[i].name.data[tf[i].name.len - 1] == '/') {
tf[i].test_dir = 1;
tf[i].name.len--;
tf[i].name.data[tf[i].name.len] = '\0';
}
n = ngx_http_script_variables_count(&tf[i].name);
if (n) {
ngx_memzero(&sc, sizeof(ngx_http_script_compile_t));
sc.cf = cf;
sc.source = &tf[i].name;
sc.lengths = &tf[i].lengths;
sc.values = &tf[i].values;
sc.variables = n;
sc.complete_lengths = 1;
sc.complete_values = 1;
if (ngx_http_script_compile(&sc) != NGX_OK) {
return NGX_CONF_ERROR;
}
} else {
/* add trailing '\0' to length */
tf[i].name.len++;
}
}
return NGX_CONF_OK;
}
static char *
ngx_http_core_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{

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@ -79,6 +79,7 @@ typedef enum {
NGX_HTTP_ACCESS_PHASE,
NGX_HTTP_POST_ACCESS_PHASE,
NGX_HTTP_TRY_FILES_PHASE,
NGX_HTTP_CONTENT_PHASE,
NGX_HTTP_LOG_PHASE
@ -127,6 +128,8 @@ typedef struct {
ngx_hash_keys_arrays_t *variables_keys;
ngx_uint_t try_files; /* unsigned try_files:1 */
ngx_http_phase_t phases[NGX_HTTP_LOG_PHASE + 1];
} ngx_http_core_main_conf_t;
@ -236,6 +239,14 @@ typedef struct {
} ngx_http_err_page_t;
typedef struct {
ngx_array_t *lengths;
ngx_array_t *values;
ngx_str_t name;
ngx_uint_t test_dir; /* unsigned test_dir:1; */
} ngx_http_try_file_t;
typedef struct ngx_http_core_loc_conf_s ngx_http_core_loc_conf_t;
struct ngx_http_core_loc_conf_s {
@ -325,6 +336,7 @@ struct ngx_http_core_loc_conf_s {
#endif
ngx_array_t *error_pages; /* error_page */
ngx_http_try_file_t *try_files; /* try_files */
ngx_path_t *client_body_temp_path; /* client_body_temp_path */
@ -356,6 +368,8 @@ ngx_int_t ngx_http_core_access_phase(ngx_http_request_t *r,
ngx_http_phase_handler_t *ph);
ngx_int_t ngx_http_core_post_access_phase(ngx_http_request_t *r,
ngx_http_phase_handler_t *ph);
ngx_int_t ngx_http_core_try_files_phase(ngx_http_request_t *r,
ngx_http_phase_handler_t *ph);
ngx_int_t ngx_http_core_content_phase(ngx_http_request_t *r,
ngx_http_phase_handler_t *ph);

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@ -1467,3 +1467,39 @@ ngx_http_parse_multi_header_lines(ngx_array_t *headers, ngx_str_t *name,
return NGX_DECLINED;
}
void
ngx_http_split_args(ngx_http_request_t *r, ngx_str_t *uri, ngx_str_t *args)
{
u_char ch, *p, *last;
p = uri->data;
last = p + uri->len;
args->len = 0;
while (p < last) {
ch = *p++;
if (ch == '?') {
args->len = last - p;
args->data = p;
uri->len = p - 1 - uri->data;
if (ngx_strlchr(p, last, '\0') != NULL) {
r->zero_in_uri = 1;
}
return;
}
if (ch == '\0') {
r->zero_in_uri = 1;
continue;
}
}
}