diff options
Diffstat (limited to 'app/nginx/src/http/modules/ngx_http_addition_filter_module.c')
| -rw-r--r-- | app/nginx/src/http/modules/ngx_http_addition_filter_module.c | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/app/nginx/src/http/modules/ngx_http_addition_filter_module.c b/app/nginx/src/http/modules/ngx_http_addition_filter_module.c deleted file mode 100644 index 2fad0e5..0000000 --- a/app/nginx/src/http/modules/ngx_http_addition_filter_module.c +++ /dev/null @@ -1,252 +0,0 @@ - -/* - * Copyright (C) Igor Sysoev - * Copyright (C) Nginx, Inc. - */ - - -#include <ngx_config.h> -#include <ngx_core.h> -#include <ngx_http.h> - - -typedef struct { - ngx_str_t before_body; - ngx_str_t after_body; - - ngx_hash_t types; - ngx_array_t *types_keys; -} ngx_http_addition_conf_t; - - -typedef struct { - ngx_uint_t before_body_sent; -} ngx_http_addition_ctx_t; - - -static void *ngx_http_addition_create_conf(ngx_conf_t *cf); -static char *ngx_http_addition_merge_conf(ngx_conf_t *cf, void *parent, - void *child); -static ngx_int_t ngx_http_addition_filter_init(ngx_conf_t *cf); - - -static ngx_command_t ngx_http_addition_commands[] = { - - { ngx_string("add_before_body"), - 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_addition_conf_t, before_body), - NULL }, - - { ngx_string("add_after_body"), - 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_addition_conf_t, after_body), - NULL }, - - { ngx_string("addition_types"), - NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, - ngx_http_types_slot, - NGX_HTTP_LOC_CONF_OFFSET, - offsetof(ngx_http_addition_conf_t, types_keys), - &ngx_http_html_default_types[0] }, - - ngx_null_command -}; - - -static ngx_http_module_t ngx_http_addition_filter_module_ctx = { - NULL, /* preconfiguration */ - ngx_http_addition_filter_init, /* postconfiguration */ - - NULL, /* create main configuration */ - NULL, /* init main configuration */ - - NULL, /* create server configuration */ - NULL, /* merge server configuration */ - - ngx_http_addition_create_conf, /* create location configuration */ - ngx_http_addition_merge_conf /* merge location configuration */ -}; - - -ngx_module_t ngx_http_addition_filter_module = { - NGX_MODULE_V1, - &ngx_http_addition_filter_module_ctx, /* module context */ - ngx_http_addition_commands, /* module directives */ - NGX_HTTP_MODULE, /* module type */ - NULL, /* init master */ - NULL, /* init module */ - NULL, /* init process */ - NULL, /* init thread */ - NULL, /* exit thread */ - NULL, /* exit process */ - NULL, /* exit master */ - NGX_MODULE_V1_PADDING -}; - - -static ngx_http_output_header_filter_pt ngx_http_next_header_filter; -static ngx_http_output_body_filter_pt ngx_http_next_body_filter; - - -static ngx_int_t -ngx_http_addition_header_filter(ngx_http_request_t *r) -{ - ngx_http_addition_ctx_t *ctx; - ngx_http_addition_conf_t *conf; - - if (r->headers_out.status != NGX_HTTP_OK || r != r->main) { - return ngx_http_next_header_filter(r); - } - - conf = ngx_http_get_module_loc_conf(r, ngx_http_addition_filter_module); - - if (conf->before_body.len == 0 && conf->after_body.len == 0) { - return ngx_http_next_header_filter(r); - } - - if (ngx_http_test_content_type(r, &conf->types) == NULL) { - return ngx_http_next_header_filter(r); - } - - ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_addition_ctx_t)); - if (ctx == NULL) { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, ctx, ngx_http_addition_filter_module); - - ngx_http_clear_content_length(r); - ngx_http_clear_accept_ranges(r); - ngx_http_weak_etag(r); - - return ngx_http_next_header_filter(r); -} - - -static ngx_int_t -ngx_http_addition_body_filter(ngx_http_request_t *r, ngx_chain_t *in) -{ - ngx_int_t rc; - ngx_uint_t last; - ngx_chain_t *cl; - ngx_http_request_t *sr; - ngx_http_addition_ctx_t *ctx; - ngx_http_addition_conf_t *conf; - - if (in == NULL || r->header_only) { - return ngx_http_next_body_filter(r, in); - } - - ctx = ngx_http_get_module_ctx(r, ngx_http_addition_filter_module); - - if (ctx == NULL) { - return ngx_http_next_body_filter(r, in); - } - - conf = ngx_http_get_module_loc_conf(r, ngx_http_addition_filter_module); - - if (!ctx->before_body_sent) { - ctx->before_body_sent = 1; - - if (conf->before_body.len) { - if (ngx_http_subrequest(r, &conf->before_body, NULL, &sr, NULL, 0) - != NGX_OK) - { - return NGX_ERROR; - } - } - } - - if (conf->after_body.len == 0) { - ngx_http_set_ctx(r, NULL, ngx_http_addition_filter_module); - return ngx_http_next_body_filter(r, in); - } - - last = 0; - - for (cl = in; cl; cl = cl->next) { - if (cl->buf->last_buf) { - cl->buf->last_buf = 0; - cl->buf->last_in_chain = 1; - cl->buf->sync = 1; - last = 1; - } - } - - rc = ngx_http_next_body_filter(r, in); - - if (rc == NGX_ERROR || !last || conf->after_body.len == 0) { - return rc; - } - - if (ngx_http_subrequest(r, &conf->after_body, NULL, &sr, NULL, 0) - != NGX_OK) - { - return NGX_ERROR; - } - - ngx_http_set_ctx(r, NULL, ngx_http_addition_filter_module); - - return ngx_http_send_special(r, NGX_HTTP_LAST); -} - - -static ngx_int_t -ngx_http_addition_filter_init(ngx_conf_t *cf) -{ - ngx_http_next_header_filter = ngx_http_top_header_filter; - ngx_http_top_header_filter = ngx_http_addition_header_filter; - - ngx_http_next_body_filter = ngx_http_top_body_filter; - ngx_http_top_body_filter = ngx_http_addition_body_filter; - - return NGX_OK; -} - - -static void * -ngx_http_addition_create_conf(ngx_conf_t *cf) -{ - ngx_http_addition_conf_t *conf; - - conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_addition_conf_t)); - if (conf == NULL) { - return NULL; - } - - /* - * set by ngx_pcalloc(): - * - * conf->before_body = { 0, NULL }; - * conf->after_body = { 0, NULL }; - * conf->types = { NULL }; - * conf->types_keys = NULL; - */ - - return conf; -} - - -static char * -ngx_http_addition_merge_conf(ngx_conf_t *cf, void *parent, void *child) -{ - ngx_http_addition_conf_t *prev = parent; - ngx_http_addition_conf_t *conf = child; - - ngx_conf_merge_str_value(conf->before_body, prev->before_body, ""); - ngx_conf_merge_str_value(conf->after_body, prev->after_body, ""); - - if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types, - &prev->types_keys, &prev->types, - ngx_http_html_default_types) - != NGX_OK) - { - return NGX_CONF_ERROR; - } - - return NGX_CONF_OK; -} |