Mercurial > hg > nginx-quic
view src/http/modules/ngx_http_static_handler.c @ 182:3c49eaf3f522
nginx-0.0.1-2003-11-13-09:14:05 import
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Thu, 13 Nov 2003 06:14:05 +0000 |
parents | 4db54fdbcbe7 |
children | 4c698194c56d |
line wrap: on
line source
#include <ngx_config.h> #include <ngx_core.h> #include <ngx_http.h> static int ngx_http_static_handler(ngx_http_request_t *r); static int ngx_http_static_init(ngx_cycle_t *cycle); static ngx_command_t ngx_http_static_commands[] = { ngx_null_command }; ngx_http_module_t ngx_http_static_module_ctx = { NULL, /* pre conf */ NULL, /* create main configuration */ NULL, /* init main configuration */ NULL, /* create server configuration */ NULL, /* merge server configuration */ NULL, /* create location configuration */ NULL /* merge location configuration */ }; ngx_module_t ngx_http_static_module = { NGX_MODULE, &ngx_http_static_module_ctx, /* module context */ ngx_http_static_commands, /* module directives */ NGX_HTTP_MODULE, /* module type */ ngx_http_static_init, /* init module */ NULL /* init child */ }; int ngx_http_static_translate_handler(ngx_http_request_t *r) { int rc, level; char *location, *last; ngx_err_t err; ngx_http_core_loc_conf_t *clcf; if (r->method != NGX_HTTP_GET && r->method != NGX_HTTP_HEAD) { return NGX_HTTP_NOT_ALLOWED; } clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); if (r->uri.data[r->uri.len - 1] == '/') { if (r->path.data == NULL) { ngx_test_null(r->path.data, ngx_palloc(r->pool, clcf->doc_root.len + r->uri.len), NGX_HTTP_INTERNAL_SERVER_ERROR); ngx_cpystrn(ngx_cpymem(r->path.data, clcf->doc_root.data, clcf->doc_root.len), r->uri.data, r->uri.len + 1); } else { r->path.data[r->path.len] = '\0'; } ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "directory index of \"%s\" is forbidden", r->path.data); return NGX_HTTP_FORBIDDEN; } /* "+ 2" is for trailing '/' in redirect and '\0' */ ngx_test_null(r->file.name.data, ngx_palloc(r->pool, clcf->doc_root.len + r->uri.len + 2), NGX_HTTP_INTERNAL_SERVER_ERROR); location = ngx_cpymem(r->file.name.data, clcf->doc_root.data, clcf->doc_root.len), last = ngx_cpystrn(location, r->uri.data, r->uri.len + 1); ngx_log_debug(r->connection->log, "HTTP filename: '%s'" _ r->file.name.data); #if (WIN9X) /* * There is no way to open a file or a directory in Win9X with * one syscall: Win9X has no FILE_FLAG_BACKUP_SEMANTICS flag. * So we need to check its type before the opening */ r->file.info.dwFileAttributes = GetFileAttributes(r->file.name.data); if (r->file.info.dwFileAttributes == INVALID_FILE_ATTRIBUTES) { err = ngx_errno; ngx_log_error(NGX_LOG_ERR, r->connection->log, err, ngx_file_type_n " \"%s\" failed", r->file.name.data); if (err == NGX_ENOENT || err == NGX_ENOTDIR) { return NGX_HTTP_NOT_FOUND; } else if (err == NGX_EACCES) { return NGX_HTTP_FORBIDDEN; } else { return NGX_HTTP_INTERNAL_SERVER_ERROR; } } #else if (r->file.fd == NGX_INVALID_FILE) { r->file.fd = ngx_open_file(r->file.name.data, NGX_FILE_RDONLY, NGX_FILE_OPEN); } if (r->file.fd == NGX_INVALID_FILE) { err = ngx_errno; if (err == NGX_ENOENT || err == NGX_ENOTDIR) { level = NGX_LOG_ERR; rc = NGX_HTTP_NOT_FOUND; } else if (err == NGX_EACCES) { level = NGX_LOG_ERR; rc = NGX_HTTP_FORBIDDEN; } else { level = NGX_LOG_CRIT; rc = NGX_HTTP_INTERNAL_SERVER_ERROR; } ngx_log_error(level, r->connection->log, ngx_errno, ngx_open_file_n " \"%s\" failed", r->file.name.data); return rc; } ngx_log_debug(r->connection->log, "FILE: %d" _ r->file.fd); if (!r->file.info_valid) { if (ngx_stat_fd(r->file.fd, &r->file.info) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, ngx_stat_fd_n " \"%s\" failed", r->file.name.data); if (ngx_close_file(r->file.fd) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, ngx_close_file_n " \"%s\" failed", r->file.name.data); } r->file.fd = NGX_INVALID_FILE; return NGX_HTTP_INTERNAL_SERVER_ERROR; } r->file.info_valid = 1; } if (ngx_is_dir(r->file.info)) { ngx_log_debug(r->connection->log, "HTTP DIR: '%s'" _ r->file.name.data); #if !(WIN9X) if (ngx_close_file(r->file.fd) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, ngx_close_file_n " \"%s\" failed", r->file.name.data); } r->file.fd = NGX_INVALID_FILE; r->file.info_valid = 0; #endif if (!(r->headers_out.location = ngx_http_add_header(&r->headers_out, ngx_http_headers_out))) { return NGX_HTTP_INTERNAL_SERVER_ERROR; } *last++ = '/'; *last = '\0'; r->headers_out.location->key.len = 8; r->headers_out.location->key.data = "Location" ; r->headers_out.location->value.len = last - location; r->headers_out.location->value.data = location; return NGX_HTTP_MOVED_PERMANENTLY; } #if !(WIN32) /* the not regular files are probably Unix specific */ if (!ngx_is_file(r->file.info)) { ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, "%s is not a regular file", r->file.name.data); if (ngx_close_file(r->file.fd) == NGX_FILE_ERROR) ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, ngx_close_file_n " %s failed", r->file.name.data); return NGX_HTTP_NOT_FOUND; } #endif #endif r->content_handler = ngx_http_static_handler; return NGX_OK; } static int ngx_http_static_handler(ngx_http_request_t *r) { int rc, key, i; ngx_log_e level; ngx_err_t err; ngx_hunk_t *h; ngx_chain_t out; ngx_http_type_t *type; ngx_http_log_ctx_t *ctx; ngx_http_core_loc_conf_t *clcf; rc = ngx_http_discard_body(r); if (rc != NGX_OK) { return rc; } ctx = r->connection->log->data; ctx->action = "sending response to client"; if (r->file.fd == NGX_INVALID_FILE) { r->file.fd = ngx_open_file(r->file.name.data, NGX_FILE_RDONLY, NGX_FILE_OPEN); if (r->file.fd == NGX_INVALID_FILE) { err = ngx_errno; if (err == NGX_ENOENT || err == NGX_ENOTDIR) { level = NGX_LOG_ERR; rc = NGX_HTTP_NOT_FOUND; } else { level = NGX_LOG_CRIT; rc = NGX_HTTP_INTERNAL_SERVER_ERROR; } ngx_log_error(level, r->connection->log, ngx_errno, ngx_open_file_n " %s failed", r->file.name.data); return rc; } } if (!r->file.info_valid) { if (ngx_stat_fd(r->file.fd, &r->file.info) == NGX_FILE_ERROR) { ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, ngx_stat_fd_n " %s failed", r->file.name.data); if (ngx_close_file(r->file.fd) == NGX_FILE_ERROR) ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, ngx_close_file_n " %s failed", r->file.name.data); return NGX_HTTP_INTERNAL_SERVER_ERROR; } r->file.info_valid = 1; } r->headers_out.status = NGX_HTTP_OK; r->headers_out.content_length_n = ngx_file_size(r->file.info); r->headers_out.last_modified_time = ngx_file_mtime(r->file.info); if (!(r->headers_out.content_type = ngx_http_add_header(&r->headers_out, ngx_http_headers_out))) { return NGX_HTTP_INTERNAL_SERVER_ERROR; } r->headers_out.content_type->key.len = 0; r->headers_out.content_type->key.data = NULL; r->headers_out.content_type->value.len = 0; r->headers_out.content_type->value.data = NULL; clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); if (r->exten.len) { ngx_http_types_hash_key(key, r->exten); type = (ngx_http_type_t *) clcf->types[key].elts; for (i = 0; i < clcf->types[key].nelts; i++) { if (r->exten.len != type[i].exten.len) { continue; } if (ngx_strcasecmp(r->exten.data, type[i].exten.data) == 0) { r->headers_out.content_type->value.len = type[i].type.len; r->headers_out.content_type->value.data = type[i].type.data; break; } } } if (r->headers_out.content_type->value.len == 0) { r->headers_out.content_type->value.len = clcf->default_type.len; r->headers_out.content_type->value.data = clcf->default_type.data; } /* we need to allocate all before the header would be sent */ ngx_test_null(h, ngx_pcalloc(r->pool, sizeof(ngx_hunk_t)), NGX_HTTP_INTERNAL_SERVER_ERROR); ngx_test_null(h->file, ngx_pcalloc(r->pool, sizeof(ngx_file_t)), NGX_HTTP_INTERNAL_SERVER_ERROR); rc = ngx_http_send_header(r); if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { return rc; } h->type = r->main ? NGX_HUNK_FILE : NGX_HUNK_FILE|NGX_HUNK_LAST; h->file_pos = 0; h->file_last = ngx_file_size(r->file.info); h->file->fd = r->file.fd; h->file->log = r->connection->log; out.hunk = h; out.next = NULL; return ngx_http_output_filter(r, &out); } static int ngx_http_static_init(ngx_cycle_t *cycle) { ngx_http_handler_pt *h; ngx_http_conf_ctx_t *ctx; ngx_http_core_main_conf_t *cmcf; ctx = (ngx_http_conf_ctx_t *) cycle->conf_ctx[ngx_http_module.index]; cmcf = ctx->main_conf[ngx_http_core_module.ctx_index]; ngx_test_null(h, ngx_push_array( &cmcf->phases[NGX_HTTP_TRANSLATE_PHASE].handlers), NGX_ERROR); *h = ngx_http_static_translate_handler; return NGX_OK; }