Mercurial > hg > nginx-quic
diff src/http/modules/ngx_http_charset_filter.c @ 99:a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 02 Jun 2003 15:24:30 +0000 |
parents | |
children | 152567c11325 |
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new file mode 100644 --- /dev/null +++ b/src/http/modules/ngx_http_charset_filter.c @@ -0,0 +1,124 @@ + +#include <ngx_config.h> +#include <ngx_core.h> +#include <ngx_http.h> + + +typedef struct { + ngx_str_t default_charset; +} ngx_http_charset_loc_conf_t; + + +static void *ngx_http_charset_create_loc_conf(ngx_pool_t *pool); +static char *ngx_http_charset_merge_loc_conf(ngx_pool_t *pool, + void *parent, void *child); +static int ngx_http_charset_filter_init(ngx_pool_t *pool); + + +static ngx_command_t ngx_http_charset_filter_commands[] = { + + {ngx_string("default_charset"), + NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, + ngx_conf_set_str_slot, + NGX_HTTP_LOC_CONF_OFFSET, + offsetof(ngx_http_charset_loc_conf_t, default_charset), + NULL}, + + ngx_null_command +}; + + +static ngx_http_module_t ngx_http_charset_filter_module_ctx = { + NULL, /* create main configuration */ + NULL, /* init main configuration */ + + NULL, /* create server configuration */ + NULL, /* merge server configuration */ + + ngx_http_charset_create_loc_conf, /* create location configuration */ + ngx_http_charset_merge_loc_conf /* merge location configuration */ +}; + + +ngx_module_t ngx_http_charset_filter_module = { + NGX_MODULE, + &ngx_http_charset_filter_module_ctx, /* module context */ + ngx_http_charset_filter_commands, /* module directives */ + NGX_HTTP_MODULE, /* module type */ + ngx_http_charset_filter_init /* init module */ +}; + + +static int (*next_header_filter) (ngx_http_request_t *r); +#if 0 +static int (*next_body_filter) (ngx_http_request_t *r, ngx_chain_t *ch); +#endif + + +static int ngx_http_charset_header_filter(ngx_http_request_t *r) +{ + ngx_http_charset_loc_conf_t *lcf; + + lcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module); + + if (r->headers_out.status == NGX_HTTP_MOVED_PERMANENTLY + && r->headers_out.status == NGX_HTTP_MOVED_TEMPORARILY) + { + /* do not set charset for the redirect because NN 4.x uses this + charset instead of the next page charset */ + r->headers_out.charset.len = 0; + + } else if (r->headers_out.charset.len == 0) { + r->headers_out.charset = lcf->default_charset; + } + + return next_header_filter(r); +} + + +#if 0 +static int ngx_http_charset_body_filter(ngx_http_request_t *r, ngx_chain_t *in) +{ + ngx_log_debug(r->connection->log, "CHARSET BODY"); + return next_body_filter(r, in); +} +#endif + + +static int ngx_http_charset_filter_init(ngx_pool_t *pool) +{ + next_header_filter = ngx_http_top_header_filter; + ngx_http_top_header_filter = ngx_http_charset_header_filter; + +#if 0 + next_body_filter = ngx_http_top_body_filter; + ngx_http_top_body_filter = ngx_http_charset_body_filter; +#endif + + return NGX_OK; +} + + +static void *ngx_http_charset_create_loc_conf(ngx_pool_t *pool) +{ + ngx_http_charset_loc_conf_t *lcf; + + ngx_test_null(lcf, + ngx_pcalloc(pool, sizeof(ngx_http_charset_loc_conf_t)), + NGX_CONF_ERROR); + + return lcf; +} + + +static char *ngx_http_charset_merge_loc_conf(ngx_pool_t *pool, + void *parent, void *child) +{ + ngx_http_charset_loc_conf_t *prev = parent; + ngx_http_charset_loc_conf_t *conf = child; + + ngx_conf_merge_str_value(conf->default_charset, + prev->default_charset, "koi8-r"); + + return NGX_CONF_OK; +}