diff options
Diffstat (limited to 'debian/vendor-h2o/lib/core/request.c')
| -rw-r--r-- | debian/vendor-h2o/lib/core/request.c | 696 |
1 files changed, 0 insertions, 696 deletions
diff --git a/debian/vendor-h2o/lib/core/request.c b/debian/vendor-h2o/lib/core/request.c deleted file mode 100644 index 96aabb2..0000000 --- a/debian/vendor-h2o/lib/core/request.c +++ /dev/null @@ -1,696 +0,0 @@ -/* - * Copyright (c) 2014-2016 DeNA Co., Ltd., Kazuho Oku, Tatsuhiro Tsujikawa - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to - * deal in the Software without restriction, including without limitation the - * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or - * sell copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - */ -#include <limits.h> -#include <stdio.h> -#include <stdlib.h> -#include <sys/uio.h> -#include "h2o.h" - -#ifndef IOV_MAX -#define IOV_MAX UIO_MAXIOV -#endif - -#define INITIAL_INBUFSZ 8192 - -struct st_deferred_request_action_t { - h2o_timeout_entry_t timeout; - h2o_req_t *req; -}; - -struct st_delegate_request_deferred_t { - struct st_deferred_request_action_t super; - h2o_handler_t *current_handler; -}; - -struct st_reprocess_request_deferred_t { - struct st_deferred_request_action_t super; - h2o_iovec_t method; - const h2o_url_scheme_t *scheme; - h2o_iovec_t authority; - h2o_iovec_t path; - h2o_req_overrides_t *overrides; - int is_delegated; -}; - -struct st_send_error_deferred_t { - h2o_req_t *req; - int status; - const char *reason; - const char *body; - int flags; - h2o_timeout_entry_t _timeout; -}; - -static void on_deferred_action_dispose(void *_action) -{ - struct st_deferred_request_action_t *action = _action; - if (h2o_timeout_is_linked(&action->timeout)) - h2o_timeout_unlink(&action->timeout); -} - -static struct st_deferred_request_action_t *create_deferred_action(h2o_req_t *req, size_t sz, h2o_timeout_cb cb) -{ - struct st_deferred_request_action_t *action = h2o_mem_alloc_shared(&req->pool, sz, on_deferred_action_dispose); - *action = (struct st_deferred_request_action_t){{0, cb}, req}; - h2o_timeout_link(req->conn->ctx->loop, &req->conn->ctx->zero_timeout, &action->timeout); - return action; -} - -static h2o_hostconf_t *find_hostconf(h2o_hostconf_t **hostconfs, h2o_iovec_t authority, uint16_t default_port) -{ - h2o_iovec_t hostname; - uint16_t port; - char *hostname_lc; - - /* safe-guard for alloca */ - if (authority.len >= 65536) - return NULL; - - /* extract the specified hostname and port */ - if (h2o_url_parse_hostport(authority.base, authority.len, &hostname, &port) == NULL) - return NULL; - if (port == 65535) - port = default_port; - - /* convert supplied hostname to lower-case */ - hostname_lc = alloca(hostname.len); - memcpy(hostname_lc, hostname.base, hostname.len); - h2o_strtolower(hostname_lc, hostname.len); - - do { - h2o_hostconf_t *hostconf = *hostconfs; - if (hostconf->authority.port == port || (hostconf->authority.port == 65535 && port == default_port)) { - if (hostconf->authority.host.base[0] == '*') { - /* matching against "*.foo.bar" */ - size_t cmplen = hostconf->authority.host.len - 1; - if (cmplen < hostname.len && - memcmp(hostconf->authority.host.base + 1, hostname_lc + hostname.len - cmplen, cmplen) == 0) - return hostconf; - } else { - /* exact match */ - if (h2o_memis(hostconf->authority.host.base, hostconf->authority.host.len, hostname_lc, hostname.len)) - return hostconf; - } - } - } while (*++hostconfs != NULL); - - return NULL; -} - -static h2o_hostconf_t *setup_before_processing(h2o_req_t *req) -{ - h2o_context_t *ctx = req->conn->ctx; - h2o_hostconf_t *hostconf; - - h2o_get_timestamp(ctx, &req->pool, &req->processed_at); - - /* find the host context */ - if (req->input.authority.base != NULL) { - if (req->conn->hosts[1] == NULL || - (hostconf = find_hostconf(req->conn->hosts, req->input.authority, req->input.scheme->default_port)) == NULL) - hostconf = *req->conn->hosts; - } else { - /* set the authority name to the default one */ - hostconf = *req->conn->hosts; - req->input.authority = hostconf->authority.hostport; - } - - req->scheme = req->input.scheme; - req->method = req->input.method; - req->authority = req->input.authority; - req->path = req->input.path; - req->path_normalized = - h2o_url_normalize_path(&req->pool, req->input.path.base, req->input.path.len, &req->query_at, &req->norm_indexes); - req->input.query_at = req->query_at; /* we can do this since input.path == path */ - - return hostconf; -} - -static void call_handlers(h2o_req_t *req, h2o_handler_t **handler) -{ - h2o_handler_t **end = req->pathconf->handlers.entries + req->pathconf->handlers.size; - - for (; handler != end; ++handler) - if ((*handler)->on_req(*handler, req) == 0) - return; - - h2o_send_error_404(req, "File Not Found", "not found", 0); -} - -static void process_hosted_request(h2o_req_t *req, h2o_hostconf_t *hostconf) -{ - h2o_pathconf_t *selected_pathconf = &hostconf->fallback_path; - size_t i; - - /* setup pathconf, or redirect to "path/" */ - for (i = 0; i != hostconf->paths.size; ++i) { - h2o_pathconf_t *candidate = hostconf->paths.entries + i; - if (req->path_normalized.len >= candidate->path.len && - memcmp(req->path_normalized.base, candidate->path.base, candidate->path.len) == 0 && - (candidate->path.base[candidate->path.len - 1] == '/' || req->path_normalized.len == candidate->path.len || - req->path_normalized.base[candidate->path.len] == '/')) { - selected_pathconf = candidate; - break; - } - } - h2o_req_bind_conf(req, hostconf, selected_pathconf); - - call_handlers(req, req->pathconf->handlers.entries); -} - -static void deferred_proceed_cb(h2o_timeout_entry_t *entry) -{ - h2o_req_t *req = H2O_STRUCT_FROM_MEMBER(h2o_req_t, _timeout_entry, entry); - h2o_proceed_response(req); -} - -static void close_generator_and_filters(h2o_req_t *req) -{ - /* close the generator if it is still open */ - if (req->_generator != NULL) { - /* close generator */ - if (req->_generator->stop != NULL) - req->_generator->stop(req->_generator, req); - req->_generator = NULL; - } - /* close the ostreams still open */ - while (req->_ostr_top->next != NULL) { - if (req->_ostr_top->stop != NULL) - req->_ostr_top->stop(req->_ostr_top, req); - req->_ostr_top = req->_ostr_top->next; - } -} - -static void reset_response(h2o_req_t *req) -{ - req->res = (h2o_res_t){0, NULL, SIZE_MAX}; - req->res.reason = "OK"; - req->_next_filter_index = 0; - req->bytes_sent = 0; -} - -static void retain_original_response(h2o_req_t *req) -{ - if (req->res.original.status != 0) - return; - - req->res.original.status = req->res.status; - h2o_vector_reserve(&req->pool, &req->res.original.headers, req->res.headers.size); - h2o_memcpy(req->res.original.headers.entries, req->res.headers.entries, - sizeof(req->res.headers.entries[0]) * req->res.headers.size); - req->res.original.headers.size = req->res.headers.size; -} - -void h2o_init_request(h2o_req_t *req, h2o_conn_t *conn, h2o_req_t *src) -{ - /* clear all memory (expect memory pool, since it is large) */ - memset(req, 0, offsetof(h2o_req_t, pool)); - - /* init memory pool (before others, since it may be used) */ - h2o_mem_init_pool(&req->pool); - - /* init properties that should be initialized to non-zero */ - req->conn = conn; - req->_timeout_entry.cb = deferred_proceed_cb; - req->res.reason = "OK"; /* default to "OK" regardless of the status value, it's not important after all (never sent in HTTP2) */ - req->res.content_length = SIZE_MAX; - req->preferred_chunk_size = SIZE_MAX; - - if (src != NULL) { - size_t i; -#define COPY(buf) \ - do { \ - req->buf.base = h2o_mem_alloc_pool(&req->pool, src->buf.len); \ - memcpy(req->buf.base, src->buf.base, src->buf.len); \ - req->buf.len = src->buf.len; \ - } while (0) - COPY(input.authority); - COPY(input.method); - COPY(input.path); - req->input.scheme = src->input.scheme; - req->version = src->version; - req->entity = src->entity; - req->http1_is_persistent = src->http1_is_persistent; - req->timestamps = src->timestamps; - if (src->upgrade.base != NULL) { - COPY(upgrade); - } else { - req->upgrade.base = NULL; - req->upgrade.len = 0; - } -#undef COPY - h2o_vector_reserve(&req->pool, &req->headers, src->headers.size); - req->headers.size = src->headers.size; - for (i = 0; i != src->headers.size; ++i) { - h2o_header_t *dst_header = req->headers.entries + i, *src_header = src->headers.entries + i; - if (h2o_iovec_is_token(src_header->name)) { - dst_header->name = src_header->name; - } else { - dst_header->name = h2o_mem_alloc_pool(&req->pool, sizeof(*dst_header->name)); - *dst_header->name = h2o_strdup(&req->pool, src_header->name->base, src_header->name->len); - } - dst_header->value = h2o_strdup(&req->pool, src_header->value.base, src_header->value.len); - if (!src_header->orig_name) - dst_header->orig_name = NULL; - else - dst_header->orig_name = h2o_strdup(&req->pool, src_header->orig_name, src_header->name->len).base; - } - if (src->env.size != 0) { - h2o_vector_reserve(&req->pool, &req->env, src->env.size); - req->env.size = src->env.size; - for (i = 0; i != req->env.size; ++i) - req->env.entries[i] = h2o_strdup(&req->pool, src->env.entries[i].base, src->env.entries[i].len); - } - } -} - -void h2o_dispose_request(h2o_req_t *req) -{ - close_generator_and_filters(req); - - h2o_timeout_unlink(&req->_timeout_entry); - - if (req->version != 0 && req->pathconf != NULL) { - h2o_logger_t **logger = req->pathconf->loggers.entries, **end = logger + req->pathconf->loggers.size; - for (; logger != end; ++logger) { - (*logger)->log_access((*logger), req); - } - } - - h2o_mem_clear_pool(&req->pool); -} - -void h2o_process_request(h2o_req_t *req) -{ - h2o_hostconf_t *hostconf = setup_before_processing(req); - process_hosted_request(req, hostconf); -} - -void h2o_delegate_request(h2o_req_t *req, h2o_handler_t *current_handler) -{ - h2o_handler_t **handler = req->pathconf->handlers.entries, **end = handler + req->pathconf->handlers.size; - - for (; handler != end; ++handler) { - if (*handler == current_handler) { - ++handler; - break; - } - } - call_handlers(req, handler); -} - -static void on_delegate_request_cb(h2o_timeout_entry_t *entry) -{ - struct st_delegate_request_deferred_t *args = - H2O_STRUCT_FROM_MEMBER(struct st_delegate_request_deferred_t, super.timeout, entry); - h2o_delegate_request(args->super.req, args->current_handler); -} - -void h2o_delegate_request_deferred(h2o_req_t *req, h2o_handler_t *current_handler) -{ - struct st_delegate_request_deferred_t *args = - (struct st_delegate_request_deferred_t *)create_deferred_action(req, sizeof(*args), on_delegate_request_cb); - args->current_handler = current_handler; -} - -void h2o_reprocess_request(h2o_req_t *req, h2o_iovec_t method, const h2o_url_scheme_t *scheme, h2o_iovec_t authority, - h2o_iovec_t path, h2o_req_overrides_t *overrides, int is_delegated) -{ - h2o_hostconf_t *hostconf; - - retain_original_response(req); - - /* close generators and filters that are already running */ - close_generator_and_filters(req); - - /* setup the request/response parameters */ - req->method = method; - req->scheme = scheme; - req->authority = authority; - req->path = path; - req->path_normalized = h2o_url_normalize_path(&req->pool, req->path.base, req->path.len, &req->query_at, &req->norm_indexes); - req->overrides = overrides; - req->res_is_delegated |= is_delegated; - reset_response(req); - - /* check the delegation (or reprocess) counter */ - if (req->res_is_delegated) { - if (req->num_delegated == req->conn->ctx->globalconf->max_delegations) { - /* TODO log */ - h2o_send_error_502(req, "Gateway Error", "too many internal delegations", 0); - return; - } - ++req->num_delegated; - } else { - if (req->num_reprocessed >= 5) { - /* TODO log */ - h2o_send_error_502(req, "Gateway Error", "too many internal reprocesses", 0); - return; - } - ++req->num_reprocessed; - } - - /* handle the response using the handlers, if hostconf exists */ - h2o_hostconf_t **hosts = is_delegated ? req->conn->ctx->globalconf->hosts : req->conn->hosts; - if (req->overrides == NULL && (hostconf = find_hostconf(hosts, req->authority, req->scheme->default_port)) != NULL) { - req->pathconf = NULL; - process_hosted_request(req, hostconf); - return; - } - - /* uses the current pathconf, in other words, proxy uses the previous pathconf for building filters */ - h2o__proxy_process_request(req); -} - -static void on_reprocess_request_cb(h2o_timeout_entry_t *entry) -{ - struct st_reprocess_request_deferred_t *args = - H2O_STRUCT_FROM_MEMBER(struct st_reprocess_request_deferred_t, super.timeout, entry); - h2o_reprocess_request(args->super.req, args->method, args->scheme, args->authority, args->path, args->overrides, - args->is_delegated); -} - -void h2o_reprocess_request_deferred(h2o_req_t *req, h2o_iovec_t method, const h2o_url_scheme_t *scheme, h2o_iovec_t authority, - h2o_iovec_t path, h2o_req_overrides_t *overrides, int is_delegated) -{ - struct st_reprocess_request_deferred_t *args = - (struct st_reprocess_request_deferred_t *)create_deferred_action(req, sizeof(*args), on_reprocess_request_cb); - args->method = method; - args->scheme = scheme; - args->authority = authority; - args->path = path; - args->overrides = overrides; - args->is_delegated = is_delegated; -} - -void h2o_start_response(h2o_req_t *req, h2o_generator_t *generator) -{ - retain_original_response(req); - - /* set generator */ - assert(req->_generator == NULL); - req->_generator = generator; - - /* setup response filters */ - if (req->prefilters != NULL) { - req->prefilters->on_setup_ostream(req->prefilters, req, &req->_ostr_top); - } else { - h2o_setup_next_ostream(req, &req->_ostr_top); - } -} - -void h2o_send(h2o_req_t *req, h2o_iovec_t *bufs, size_t bufcnt, h2o_send_state_t state) -{ - assert(req->_generator != NULL); - - if (!h2o_send_state_is_in_progress(state)) - req->_generator = NULL; - - req->_ostr_top->do_send(req->_ostr_top, req, bufs, bufcnt, state); -} - -h2o_req_prefilter_t *h2o_add_prefilter(h2o_req_t *req, size_t sz) -{ - h2o_req_prefilter_t *prefilter = h2o_mem_alloc_pool(&req->pool, sz); - prefilter->next = req->prefilters; - req->prefilters = prefilter; - return prefilter; -} - -h2o_ostream_t *h2o_add_ostream(h2o_req_t *req, size_t sz, h2o_ostream_t **slot) -{ - h2o_ostream_t *ostr = h2o_mem_alloc_pool(&req->pool, sz); - ostr->next = *slot; - ostr->do_send = NULL; - ostr->stop = NULL; - ostr->start_pull = NULL; - - *slot = ostr; - - return ostr; -} - -static void apply_env(h2o_req_t *req, h2o_envconf_t *env) -{ - size_t i; - - if (env->parent != NULL) - apply_env(req, env->parent); - for (i = 0; i != env->unsets.size; ++i) - h2o_req_unsetenv(req, env->unsets.entries[i].base, env->unsets.entries[i].len); - for (i = 0; i != env->sets.size; i += 2) - *h2o_req_getenv(req, env->sets.entries[i].base, env->sets.entries[i].len, 1) = env->sets.entries[i + 1]; -} - -void h2o_req_bind_conf(h2o_req_t *req, h2o_hostconf_t *hostconf, h2o_pathconf_t *pathconf) -{ - req->hostconf = hostconf; - req->pathconf = pathconf; - if (pathconf->env != NULL) - apply_env(req, pathconf->env); -} - -void h2o_ostream_send_next(h2o_ostream_t *ostream, h2o_req_t *req, h2o_iovec_t *bufs, size_t bufcnt, h2o_send_state_t state) -{ - if (!h2o_send_state_is_in_progress(state)) { - assert(req->_ostr_top == ostream); - req->_ostr_top = ostream->next; - } else if (bufcnt == 0) { - h2o_timeout_link(req->conn->ctx->loop, &req->conn->ctx->zero_timeout, &req->_timeout_entry); - return; - } - ostream->next->do_send(ostream->next, req, bufs, bufcnt, state); -} - -void h2o_req_fill_mime_attributes(h2o_req_t *req) -{ - ssize_t content_type_index; - h2o_mimemap_type_t *mime; - - if (req->res.mime_attr != NULL) - return; - - if ((content_type_index = h2o_find_header(&req->res.headers, H2O_TOKEN_CONTENT_TYPE, -1)) != -1 && - (mime = h2o_mimemap_get_type_by_mimetype(req->pathconf->mimemap, req->res.headers.entries[content_type_index].value, 0)) != - NULL) - req->res.mime_attr = &mime->data.attr; - else - req->res.mime_attr = &h2o_mime_attributes_as_is; -} - -void h2o_send_inline(h2o_req_t *req, const char *body, size_t len) -{ - static h2o_generator_t generator = {NULL, NULL}; - - h2o_iovec_t buf = h2o_strdup(&req->pool, body, len); - /* the function intentionally does not set the content length, since it may be used for generating 304 response, etc. */ - /* req->res.content_length = buf.len; */ - - h2o_start_response(req, &generator); - - if (h2o_memis(req->input.method.base, req->input.method.len, H2O_STRLIT("HEAD"))) - h2o_send(req, NULL, 0, H2O_SEND_STATE_FINAL); - else - h2o_send(req, &buf, 1, H2O_SEND_STATE_FINAL); -} - -void h2o_send_error_generic(h2o_req_t *req, int status, const char *reason, const char *body, int flags) -{ - if (req->pathconf == NULL) { - h2o_hostconf_t *hostconf = setup_before_processing(req); - h2o_req_bind_conf(req, hostconf, &hostconf->fallback_path); - } - - if ((flags & H2O_SEND_ERROR_HTTP1_CLOSE_CONNECTION) != 0) - req->http1_is_persistent = 0; - - req->res.status = status; - req->res.reason = reason; - req->res.content_length = strlen(body); - - if ((flags & H2O_SEND_ERROR_KEEP_HEADERS) == 0) - memset(&req->res.headers, 0, sizeof(req->res.headers)); - - h2o_add_header(&req->pool, &req->res.headers, H2O_TOKEN_CONTENT_TYPE, NULL, H2O_STRLIT("text/plain; charset=utf-8")); - - h2o_send_inline(req, body, SIZE_MAX); -} - -#define DECL_SEND_ERROR_DEFERRED(status_) \ - static void send_error_deferred_cb_##status_(h2o_timeout_entry_t *entry) \ - { \ - struct st_send_error_deferred_t *args = H2O_STRUCT_FROM_MEMBER(struct st_send_error_deferred_t, _timeout, entry); \ - reset_response(args->req); \ - args->req->conn->ctx->emitted_error_status[H2O_STATUS_ERROR_##status_]++; \ - h2o_send_error_generic(args->req, args->status, args->reason, args->body, args->flags); \ - } \ - \ - static void h2o_send_error_deferred_##status_(h2o_req_t *req, const char *reason, const char *body, int flags) \ - { \ - struct st_send_error_deferred_t *args = h2o_mem_alloc_pool(&req->pool, sizeof(*args)); \ - *args = (struct st_send_error_deferred_t){req, status_, reason, body, flags}; \ - args->_timeout.cb = send_error_deferred_cb_##status_; \ - h2o_timeout_link(req->conn->ctx->loop, &req->conn->ctx->zero_timeout, &args->_timeout); \ - } - -DECL_SEND_ERROR_DEFERRED(502) - -#undef DECL_SEND_ERROR_DEFERRED - -void h2o_req_log_error(h2o_req_t *req, const char *module, const char *fmt, ...) -{ -#define INITIAL_BUF_SIZE 256 - - char *errbuf = h2o_mem_alloc_pool(&req->pool, INITIAL_BUF_SIZE); - int errlen; - va_list args; - - va_start(args, fmt); - errlen = vsnprintf(errbuf, INITIAL_BUF_SIZE, fmt, args); - va_end(args); - - if (errlen >= INITIAL_BUF_SIZE) { - errbuf = h2o_mem_alloc_pool(&req->pool, errlen + 1); - va_start(args, fmt); - errlen = vsnprintf(errbuf, errlen + 1, fmt, args); - va_end(args); - } - -#undef INITIAL_BUF_SIZE - - /* save the log */ - h2o_vector_reserve(&req->pool, &req->error_logs, req->error_logs.size + 1); - req->error_logs.entries[req->error_logs.size++] = (h2o_req_error_log_t){module, h2o_iovec_init(errbuf, errlen)}; - - if (req->pathconf->error_log.emit_request_errors) { - /* build prefix */ - char *prefix = alloca(sizeof("[] in request::") + 32 + strlen(module)), *p = prefix; - p += sprintf(p, "[%s] in request:", module); - if (req->path.len < 32) { - memcpy(p, req->path.base, req->path.len); - p += req->path.len; - } else { - memcpy(p, req->path.base, 29); - p += 29; - memcpy(p, "...", 3); - p += 3; - } - *p++ = ':'; - /* use writev(2) to emit error atomically */ - struct iovec vecs[] = {{prefix, p - prefix}, {errbuf, errlen}, {"\n", 1}}; - H2O_BUILD_ASSERT(sizeof(vecs) / sizeof(vecs[0]) < IOV_MAX); - writev(2, vecs, sizeof(vecs) / sizeof(vecs[0])); - } -} - -void h2o_send_redirect(h2o_req_t *req, int status, const char *reason, const char *url, size_t url_len) -{ - if (req->res_is_delegated) { - h2o_iovec_t method = h2o_get_redirect_method(req->method, status); - h2o_send_redirect_internal(req, method, url, url_len, 0); - return; - } - - static h2o_generator_t generator = {NULL, NULL}; - static const h2o_iovec_t body_prefix = {H2O_STRLIT("<!DOCTYPE html><TITLE>Moved</TITLE><P>The document has moved <A HREF=\"")}; - static const h2o_iovec_t body_suffix = {H2O_STRLIT("\">here</A>")}; - - /* build and send response */ - h2o_iovec_t bufs[3]; - size_t bufcnt; - if (h2o_memis(req->input.method.base, req->input.method.len, H2O_STRLIT("HEAD"))) { - req->res.content_length = SIZE_MAX; - bufcnt = 0; - } else { - bufs[0] = body_prefix; - bufs[1] = h2o_htmlescape(&req->pool, url, url_len); - bufs[2] = body_suffix; - bufcnt = 3; - req->res.content_length = body_prefix.len + bufs[1].len + body_suffix.len; - } - req->res.status = status; - req->res.reason = reason; - req->res.headers = (h2o_headers_t){NULL}; - h2o_add_header(&req->pool, &req->res.headers, H2O_TOKEN_LOCATION, NULL, url, url_len); - h2o_add_header(&req->pool, &req->res.headers, H2O_TOKEN_CONTENT_TYPE, NULL, H2O_STRLIT("text/html; charset=utf-8")); - h2o_start_response(req, &generator); - h2o_send(req, bufs, bufcnt, H2O_SEND_STATE_FINAL); -} - -void h2o_send_redirect_internal(h2o_req_t *req, h2o_iovec_t method, const char *url_str, size_t url_len, int preserve_overrides) -{ - h2o_url_t url; - - /* parse the location URL */ - if (h2o_url_parse_relative(url_str, url_len, &url) != 0) { - /* TODO log fprintf(stderr, "[proxy] cannot handle location header: %.*s\n", (int)url_len, url); */ - h2o_send_error_deferred_502(req, "Gateway Error", "internal error", 0); - return; - } - /* convert the location to absolute (while creating copies of the values passed to the deferred call) */ - if (url.scheme == NULL) - url.scheme = req->scheme; - if (url.authority.base == NULL) { - if (req->hostconf != NULL) - url.authority = req->hostconf->authority.hostport; - else - url.authority = req->authority; - } else { - if (h2o_lcstris(url.authority.base, url.authority.len, req->authority.base, req->authority.len)) { - url.authority = req->authority; - } else { - url.authority = h2o_strdup(&req->pool, url.authority.base, url.authority.len); - preserve_overrides = 0; - } - } - h2o_iovec_t base_path = req->path; - h2o_url_resolve_path(&base_path, &url.path); - url.path = h2o_concat(&req->pool, base_path, url.path); - - h2o_reprocess_request_deferred(req, method, url.scheme, url.authority, url.path, preserve_overrides ? req->overrides : NULL, 1); -} - -h2o_iovec_t h2o_get_redirect_method(h2o_iovec_t method, int status) -{ - if (h2o_memis(method.base, method.len, H2O_STRLIT("POST")) && !(status == 307 || status == 308)) - method = h2o_iovec_init(H2O_STRLIT("GET")); - return method; -} - -h2o_iovec_t h2o_push_path_in_link_header(h2o_req_t *req, const char *value, size_t value_len) -{ - int i; - h2o_iovec_t ret = h2o_iovec_init(value, value_len); - if (req->conn->callbacks->push_path == NULL) - return ret; - - h2o_iovec_vector_t paths = h2o_extract_push_path_from_link_header( - &req->pool, value, value_len, req->path_normalized, req->input.scheme, req->input.authority, - req->res_is_delegated ? req->scheme : NULL, req->res_is_delegated ? &req->authority : NULL, &ret); - if (paths.size == 0) - return ret; - - for (i = 0; i < paths.size; i++) { - req->conn->callbacks->push_path(req, paths.entries[i].base, paths.entries[i].len); - } - return ret; -} |