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ULib/include/ulib/utility/uhttp.h
stefanocasazza bc17a662ad add URI_PROTECTED_SSE
2019-01-29 15:34:55 +01:00

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// ============================================================================
//
// = LIBRARY
// ULib - c++ library
//
// = FILENAME
// uhttp.h - HTTP utility
//
// = AUTHOR
// Stefano Casazza
//
// ============================================================================
#ifndef ULIB_HTTP_H
#define ULIB_HTTP_H 1
#include <ulib/timeval.h>
#include <ulib/internal/chttp.h>
#include <ulib/utility/services.h>
#include <ulib/net/server/server.h>
#include <ulib/utility/string_ext.h>
#include <ulib/utility/data_session.h>
#if defined(U_ALIAS) && defined(USE_LIBPCRE) // REWRITE RULE
# include <ulib/pcre/pcre.h>
#else
# include <ulib/container/vector.h>
#endif
#define U_MAX_UPLOAD_PROGRESS 16
#define U_MIN_SIZE_FOR_DEFLATE 150 // NB: google advice...
#define U_HTTP_URI_EQUAL(str) ((str).equal(U_HTTP_URI_TO_PARAM))
#define U_HTTP_URI_DOSMATCH(mask,len,flags) (UServices::dosMatchWithOR(U_HTTP_URI_TO_PARAM, mask, len, flags))
class UFile;
class ULock;
class UHTTP2;
class UEventFd;
class UCommand;
class UPageSpeed;
class USSIPlugIn;
class UHttpPlugIn;
class USSLSession;
class UProxyPlugIn;
class UMimeMultipart;
class UModProxyService;
class UClientImage_Base;
template <class T> class UClient;
template <class T> class URDBObjectHandler;
extern "C" { extern void runDynamicPage_dirlist(int); };
class U_EXPORT UHTTP {
public:
static void init();
static void dtor();
// TYPE
static bool isMobile() __pure;
static bool isProxyRequest();
static bool isTSARequest() __pure;
static bool isSOAPRequest() __pure;
static bool isGET()
{
U_TRACE_NO_PARAM(0, "UHTTP::isGET()")
if (U_http_method_type == HTTP_GET) U_RETURN(true);
U_RETURN(false);
}
static bool isHEAD()
{
U_TRACE_NO_PARAM(0, "UHTTP::isHEAD()")
if (U_http_method_type == HTTP_HEAD) U_RETURN(true);
U_RETURN(false);
}
static bool isPOST()
{
U_TRACE_NO_PARAM(0, "UHTTP::isPOST()")
if (U_http_method_type == HTTP_POST) U_RETURN(true);
U_RETURN(false);
}
static bool isPUT()
{
U_TRACE_NO_PARAM(0, "UHTTP::isPUT()")
if (U_http_method_type == HTTP_PUT) U_RETURN(true);
U_RETURN(false);
}
static bool isPATCH()
{
U_TRACE_NO_PARAM(0, "UHTTP::isPATCH()")
if (U_http_method_type == HTTP_PATCH) U_RETURN(true);
U_RETURN(false);
}
static bool isDELETE()
{
U_TRACE_NO_PARAM(0, "UHTTP::isDELETE()")
if (U_http_method_type == HTTP_DELETE) U_RETURN(true);
U_RETURN(false);
}
static bool isCOPY()
{
U_TRACE_NO_PARAM(0, "UHTTP::isCOPY()")
if (U_http_method_type == HTTP_COPY) U_RETURN(true);
U_RETURN(false);
}
static bool isGETorHEAD()
{
U_TRACE_NO_PARAM(0, "UHTTP::isGETorHEAD()")
if ((U_http_method_type & (HTTP_GET | HTTP_HEAD)) != 0) U_RETURN(true);
U_RETURN(false);
}
static bool isGETorPOST()
{
U_TRACE_NO_PARAM(0, "UHTTP::isGETorPOST()")
if ((U_http_method_type & (HTTP_GET | HTTP_POST)) != 0) U_RETURN(true);
U_RETURN(false);
}
static bool isGETorHEADorPOST()
{
U_TRACE_NO_PARAM(0, "UHTTP::isGETorHEADorPOST()")
if ((U_http_method_type & (HTTP_GET | HTTP_HEAD | HTTP_POST)) != 0) U_RETURN(true);
U_RETURN(false);
}
static bool isPOSTorPUTorPATCH()
{
U_TRACE_NO_PARAM(0, "UHTTP::isPOSTorPUTorPATCH()")
if ((U_http_method_type & (HTTP_POST | HTTP_PUT | HTTP_PATCH)) != 0) U_RETURN(true);
U_RETURN(false);
}
// SERVICES
static UFile* file;
static UString* ext;
static UString* etag;
static UString* body;
static UString* qcontent;
static UString* pathname;
static UString* rpathname;
static UString* upload_dir;
static UString* string_HTTP_Variables;
static URDB* db_not_found;
static UModProxyService* service;
static UVector<UString>* vmsg_error;
static UHashMap<UString>* prequestHeader;
static UVector<UModProxyService*>* vservice;
static char response_buffer[64];
static off_t range_start, range_size;
static int mime_index, cgi_timeout; // the time-out value in seconds for output cgi process
static bool enable_caching_by_proxy_servers, skip_check_cookie_ip_address;
static uint32_t limit_request_body, request_read_timeout, gzip_level_for_dynamic_content, brotli_level_for_dynamic_content;
static bool readRequest();
static bool handlerCache();
static int manageRequest();
static void initDbNotFound();
static void setStatusDescription();
static void setEndRequestProcessing();
static bool callService(const UString& path);
static void checkContentLength(off_t length);
static bool isUriRequestNeedCertificate() __pure;
static bool isValidMethod(const char* ptr) __pure;
static bool checkContentLength(const UString& response);
static bool scanfHeaderRequest(const char* ptr, uint32_t size);
static bool scanfHeaderResponse(const char* ptr, uint32_t size);
static bool readHeaderResponse(USocket* socket, UString& buffer);
static bool readBodyResponse(USocket* socket, UString* buffer, UString& lbody);
static UString getPathComponent(uint32_t index); // Returns the path element at the specified index
static bool isValidRequest(const char* ptr, uint32_t sz)
{
U_TRACE(0, "UHTTP::isValidRequest(%.*S,%u)", 30, ptr, sz)
U_INTERNAL_ASSERT_MAJOR(sz, 0)
U_INTERNAL_DUMP("sz = %u UClientImage_Base::size_request = %u", sz, UClientImage_Base::size_request)
if (u_get_unalignedp32(ptr+sz-4) == U_MULTICHAR_CONSTANT32('\r','\n','\r','\n')) U_RETURN(true);
U_RETURN(false);
}
static bool isValidRequestExt(const char* ptr, uint32_t sz)
{
U_TRACE(0, "UHTTP::isValidRequestExt(%.*S,%u)", 30, ptr, sz)
U_INTERNAL_ASSERT_MAJOR(sz, 0)
if (sz >= U_CONSTANT_SIZE("GET / HTTP/1.0\r\n\r\n") &&
isValidMethod(ptr) &&
(isValidRequest(ptr, sz) ||
(UClientImage_Base::size_request &&
isValidRequest(ptr, UClientImage_Base::size_request)) ||
memmem(ptr, sz, U_CONSTANT_TO_PARAM(U_CRLF2)) != U_NULLPTR))
{
U_RETURN(true);
}
U_RETURN(false);
}
#ifndef U_HTTP2_DISABLE
static bool copyHeaders(UStringRep* key, void* elem);
static bool upgradeHeaders(UStringRep* key, void* elem)
{
U_TRACE(0, "UHTTP::upgradeHeaders(%V,%p)", key, elem)
if (key->equal(U_CONSTANT_TO_PARAM("Date")) == false &&
key->equal(U_CONSTANT_TO_PARAM("Server")) == false)
{
if (key->equal(U_CONSTANT_TO_PARAM("Set-Cookie"))) set_cookie->_assign(key);
else ext->snprintf_add(U_CONSTANT_TO_PARAM("%v: %v\r\n"), key, (const UStringRep*)elem);
}
U_RETURN(true);
}
static void upgradeResponse(UHashMap<UString>* ptable)
{
U_TRACE(0, "UHTTP::upgradeResponse(%p)", ptable)
U_INTERNAL_DUMP("U_http_info.nResponseCode = %u U_http_info.clength = %u U_http_version = %C", U_http_info.nResponseCode, U_http_info.clength, U_http_version)
ext->setBuffer(U_CAPACITY);
ptable->callForAllEntry(upgradeHeaders);
U_http_version = '2';
handlerResponse();
}
#endif
#ifdef USE_LOAD_BALANCE
static UClient<USSLSocket>* client_http;
static bool manageRequestOnRemoteServer();
#endif
#ifdef DEBUG
static uint32_t parserExecute(const char* ptr, uint32_t len, bool response = false);
#endif
static void setHostname(const char* ptr, uint32_t len);
static void setHostname(const UString& name) { setHostname(U_STRING_TO_PARAM(name)); }
static const char* getStatusDescription(uint32_t* plen = U_NULLPTR);
static uint32_t getUserAgent()
{
U_TRACE_NO_PARAM(0, "UHTTP::getUserAgent()")
uint32_t agent = (U_http_info.user_agent_len ? u_cdb_hash((unsigned char*)U_HTTP_USER_AGENT_TO_PARAM, -1) : 0);
U_RETURN(agent);
}
static bool isSizeForSendfile(off_t sz)
{
U_TRACE(0, "UHTTP::isSizeForSendfile(%I)", sz)
U_INTERNAL_DUMP("U_http_version = %C UServer_Base::min_size_for_sendfile = %u UServer_Base::bssl = %b", U_http_version, UServer_Base::min_size_for_sendfile, UServer_Base::bssl)
# ifndef U_HTTP2_DISABLE
if (U_http_version != '2') // NB: within HTTP/2 we can't use sendfile...
# endif
{
if (sz >= UServer_Base::min_size_for_sendfile)
{
U_INTERNAL_ASSERT_EQUALS(UServer_Base::bssl, false) // NB: we can't use sendfile with SSL...
U_RETURN(true);
}
}
U_RETURN(false);
}
static void addHTTPVariables(UString& buffer)
{
U_TRACE(0, "UHTTP::addHTTPVariables(%V)", buffer.rep)
U_INTERNAL_ASSERT_POINTER(prequestHeader)
U_INTERNAL_ASSERT_EQUALS(prequestHeader->empty(), false)
prequestHeader->callForAllEntry(addHTTPVariables);
(void) buffer.append(*string_HTTP_Variables);
string_HTTP_Variables->clear();
}
static bool checkDirectoryForDocumentRoot(const char* ptr, uint32_t len)
{
U_TRACE(0, "UHTTP::checkDirectoryForDocumentRoot(%.*S,%u)", len, ptr, len)
U_INTERNAL_DUMP("document_root(%u) = %V", UServer_Base::document_root_size, UServer_Base::document_root->rep)
U_INTERNAL_ASSERT_POINTER(UServer_Base::document_root_ptr)
if (len < UServer_Base::document_root_size ||
ptr[UServer_Base::document_root_size] != '/' ||
memcmp(ptr, UServer_Base::document_root_ptr, UServer_Base::document_root_size) != 0)
{
U_RETURN(false);
}
U_RETURN(true);
}
static void startRequest()
{
U_TRACE_NO_PARAM(0, "UHTTP::startRequest()")
# if defined(U_SERVER_CHECK_TIME_BETWEEN_REQUEST) || (defined(DEBUG) && !defined(U_LOG_DISABLE))
UClientImage_Base::startRequest();
# endif
// ------------------------------
// U_http_info.uri
// ....
// U_http_info.nResponseCode
// ....
// ------------------------------
U_HTTP_INFO_RESET(0);
u_clientimage_info.flag.u = 0;
}
// UPLOAD
static vPF on_upload;
static void setUploadDir(const UString& dir)
{
U_TRACE(0, "UHTTP::setUploadDir(%V)", dir.rep)
U_INTERNAL_ASSERT(dir)
U_INTERNAL_ASSERT_POINTER(upload_dir)
UString result = checkDirectoryForUpload(dir);
if (result) *upload_dir = result;
}
static void writeUploadData(const char* ptr, uint32_t len);
static UString checkDirectoryForUpload(const char* ptr, uint32_t len);
static UString checkDirectoryForUpload(const UString& dir) { return checkDirectoryForUpload(U_STRING_TO_PARAM(dir)); }
static const char* getHeaderValuePtr(const UString& request, const char* name, uint32_t name_len, bool nocase)
{
U_TRACE(0, "UHTTP::getHeaderValuePtr(%V,%.*S,%u,%b)", request.rep, name_len, name, name_len, nocase)
if (U_http_info.endHeader)
{
return UStringExt::getValueFromName(request, U_http_info.startHeader,
U_http_info.endHeader - U_CONSTANT_SIZE(U_CRLF2) - U_http_info.startHeader, name, name_len, nocase);
}
U_RETURN((const char*)U_NULLPTR);
}
#ifndef U_HTTP2_DISABLE
static const char* getHeaderValuePtr(const char* name, uint32_t name_len, bool nocase);
#else
static const char* getHeaderValuePtr(const char* name, uint32_t name_len, bool nocase) { return getHeaderValuePtr(*UClientImage_Base::request, name, name_len, nocase); }
#endif
static const char* getHeaderValuePtr( const UString& name, bool nocase) { return getHeaderValuePtr( U_STRING_TO_PARAM(name), nocase); }
static const char* getHeaderValuePtr(const UString& request, const UString& name, bool nocase) { return getHeaderValuePtr(request, U_STRING_TO_PARAM(name), nocase); }
static UString getHeaderMimeType(const char* content, uint32_t size, const char* content_type, time_t expire = 0L);
// set HTTP response message
enum RedirectResponseType {
NO_BODY = 0x001,
REFRESH = 0x002,
PARAM_DEPENDENCY = 0x004,
NETWORK_AUTHENTICATION_REQUIRED = 0x008
};
static void setResponse()
{
U_TRACE_NO_PARAM(0, "UHTTP::setResponse()")
U_ASSERT(ext->empty())
U_ASSERT(UClientImage_Base::body->empty())
handlerResponse();
}
static void setResponseBody(const UString& content)
{
U_TRACE(0, "UHTTP::setResponseBody(%V)", content.rep)
if (content.empty())
{
U_http_info.nResponseCode = HTTP_NO_CONTENT;
setResponse();
return;
}
U_INTERNAL_ASSERT_EQUALS(U_http_info.nResponseCode, HTTP_OK)
U_http_info.endHeader = 0;
*UClientImage_Base::wbuffer = content;
}
static void setResponseMimeIndex(const UString& content, int mime_idx = U_unknow)
{
U_TRACE(0, "UHTTP::setResponseMimeIndex(%V,%d)", content.rep, mime_idx)
setResponseBody(content);
setDynamicResponse();
}
static uint32_t setUrl(char* buffer, uint32_t sz)
{
U_TRACE(0, "UHTTP::setUrl(%p,%u)", buffer, sz)
uint32_t len = 7+U_http_host_len+U_HTTP_URI_QUERY_LEN;
if (sz > len)
{
u_put_unalignedp64(buffer, U_MULTICHAR_CONSTANT64('h','t','t','p',':','/','/','\0'));
buffer += 7;
u__memcpy(buffer, u_clientimage_info.http_info.host, U_http_host_len, __PRETTY_FUNCTION__);
u__memcpy(buffer+U_http_host_len, u_clientimage_info.http_info.uri, U_HTTP_URI_QUERY_LEN, __PRETTY_FUNCTION__);
U_RETURN(len);
}
U_RETURN(0);
}
static void setDynamicResponse();
static void setResponse(const UString& content_type, UString* pbody = U_NULLPTR);
static void setRedirectResponse(int mode, const char* ptr_location, uint32_t len_location);
static void setErrorResponse(const UString& content_type, int code, const char* fmt, uint32_t fmt_size, bool bformat = true);
// set HTTP main error message
static void setNotFound()
{
U_TRACE_NO_PARAM(0, "UHTTP::setNotFound()")
setErrorResponse(*UString::str_ctype_html, HTTP_NOT_FOUND, U_CONSTANT_TO_PARAM("Your requested URL %.*S was not found on this server"));
}
static void setBadMethod()
{
U_TRACE_NO_PARAM(0, "UHTTP::setBadMethod()")
U_INTERNAL_ASSERT_EQUALS(U_http_info.nResponseCode, HTTP_BAD_METHOD)
setErrorResponse(*UString::str_ctype_html, HTTP_BAD_METHOD, U_CONSTANT_TO_PARAM("The requested method is not allowed for the URL %.*S"));
}
static void setBadRequest()
{
U_TRACE_NO_PARAM(0, "UHTTP::setBadRequest()")
UClientImage_Base::resetPipelineAndSetCloseConnection();
setErrorResponse(*UString::str_ctype_html, HTTP_BAD_REQUEST, U_CONSTANT_TO_PARAM("Your requested URL %.*S was a request that this server could not understand"));
}
static void setForbidden()
{
U_TRACE_NO_PARAM(0, "UHTTP::setForbidden()")
UClientImage_Base::setRequestForbidden();
setErrorResponse(*UString::str_ctype_html, HTTP_FORBIDDEN, U_CONSTANT_TO_PARAM("You don't have permission to access %.*S on this server"));
}
static void setMethodNotImplemented()
{
U_TRACE_NO_PARAM(0, "UHTTP::setMethodNotImplemented()")
setErrorResponse(*UString::str_ctype_html, HTTP_NOT_IMPLEMENTED, U_CONSTANT_TO_PARAM("Sorry, the method you requested is not implemented"), false);
}
static void setEntityTooLarge()
{
U_TRACE_NO_PARAM(0, "UHTTP::setEntityTooLarge()")
setErrorResponse(*UString::str_ctype_html, HTTP_ENTITY_TOO_LARGE, U_CONSTANT_TO_PARAM("Sorry, the data you requested is too large"), false);
}
static void setUnAuthorized(bool bstale);
static void setInternalError()
{
U_TRACE_NO_PARAM(0, "UHTTP::setInternalError()")
setErrorResponse(*UString::str_ctype_html, HTTP_INTERNAL_ERROR,
U_CONSTANT_TO_PARAM("The server encountered an internal error or misconfiguration "
"and was unable to complete your request. Please contact the server "
"administrator, and inform them of the time the error occurred, and "
"anything you might have done that may have caused the error. More "
"information about this error may be available in the server error log"), false);
}
static void setServiceUnavailable()
{
U_TRACE_NO_PARAM(0, "UHTTP::setServiceUnavailable()")
setErrorResponse(*UString::str_ctype_html, HTTP_UNAVAILABLE,
U_CONSTANT_TO_PARAM("Sorry, the service you requested is not available at this moment. "
"Please contact the server administrator and inform them about this"), false);
}
#ifdef U_HTTP_STRICT_TRANSPORT_SECURITY
static UString* uri_strict_transport_security_mask;
static bool isUriRequestStrictTransportSecurity() __pure;
#endif
#ifdef U_ALIAS
static UString* alias;
static bool virtual_host;
static UString* global_alias;
static UVector<UString>* valias;
static UString* maintenance_mode_page;
static void setGlobalAlias(const UString& alias);
#endif
// manage HTTP request service: the tables must be ordered alphabetically cause of binary search...
typedef struct service_info {
const char* name;
uint32_t len;
vPF function;
} service_info;
#define GET_ENTRY(name) {#name,U_CONSTANT_SIZE(#name), GET_##name}
#define POST_ENTRY(name) {#name,U_CONSTANT_SIZE(#name),POST_##name}
static void manageRequest(service_info* GET_table, uint32_t n1,
service_info* POST_table, uint32_t n2);
// -----------------------------------------------------------------------
// FORM
// -----------------------------------------------------------------------
// retrieve information on specific HTML form elements
// (such as checkboxes, radio buttons, and text fields), or uploaded files
// -----------------------------------------------------------------------
static UString* tmpdir;
static UMimeMultipart* formMulti;
static UVector<UString>* form_name_value;
static uint32_t processForm();
static void getFormValue(UString& value, uint32_t pos)
{
U_TRACE(0, "UHTTP::getFormValue(%V,%u)", value.rep, pos)
U_INTERNAL_ASSERT_POINTER(form_name_value)
if (pos >= form_name_value->size()) value.clear();
else (void) value.replace((*form_name_value)[pos]);
}
static int getFormFirstNumericValue(int _min, int _max) __pure;
static void getFormValue(UString& value, const char* name, uint32_t len);
static UString getFormValue( const char* name, uint32_t len, uint32_t start, uint32_t end);
static void getFormValue(UString& value, const char* name, uint32_t len, uint32_t start, uint32_t pos, uint32_t end);
// COOKIE
static UString* set_cookie;
static uint32_t sid_counter_gen;
static UString* set_cookie_option;
static UString* cgi_cookie_option;
static bool getCookie( UString* cookie, UString* data);
static void addSetCookie(const UString& cookie);
// -----------------------------------------------------------------------------------------------------------------------------------
// param: "[ data expire path domain secure HttpOnly ]"
// -----------------------------------------------------------------------------------------------------------------------------------
// string -- key_id or data to put in cookie -- must
// int -- lifetime of the cookie in HOURS -- must (0 -> valid until browser exit)
// string -- path where the cookie can be used -- opt
// string -- domain which can read the cookie -- opt
// bool -- secure mode -- opt
// bool -- only allow HTTP usage -- opt
// -----------------------------------------------------------------------------------------------------------------------------------
// RET: Set-Cookie: ulib.s<counter>=data&expire&HMAC-MD5(data&expire); expires=expire(GMT); path=path; domain=domain; secure; HttpOnly
// -----------------------------------------------------------------------------------------------------------------------------------
static void setCookie(const UString& param);
// HTTP SESSION
static uint32_t sid_counter_cur;
static UDataSession* data_session;
static UDataSession* data_storage;
static URDBObjectHandler<UDataStorage*>* db_session;
static void initSession();
static void clearSession();
static void removeDataSession();
static void removeCookieSession()
{
U_TRACE_NO_PARAM(0, "UHTTP::removeCookieSession()")
UString cookie(100U);
cookie.snprintf(U_CONSTANT_TO_PARAM("ulib.s%u=; expires=%#8D"), sid_counter_cur, u_now->tv_sec - U_ONE_DAY_IN_SECOND);
addSetCookie(cookie);
}
static void setSessionCookie(UString* param = U_NULLPTR);
static bool getDataStorage();
static bool getDataSession();
static bool getDataStorage(uint32_t index, UString& value);
static bool getDataSession(uint32_t index, UString& value);
static void putDataSTORAGE();
static void putDataSESSION();
static void putDataStorage(uint32_t index, const char* val, uint32_t sz);
static void putDataSession(uint32_t index, const char* val, uint32_t sz);
static bool isNewSession() { return data_session->isNewSession(); }
static bool isDataSession() { return data_session->isDataSession(); }
static UString getSessionCreationTime() { return data_session->getSessionCreationTime(); }
static UString getSessionLastAccessedTime() { return data_session->getSessionLastAccessedTime(); }
#ifdef USE_LIBSSL
static USSLSession* data_session_ssl;
static URDBObjectHandler<UDataStorage*>* db_session_ssl;
static void initSessionSSL();
static void clearSessionSSL();
#endif
static UString getKeyIdDataSession()
{
U_TRACE_NO_PARAM(0, "UHTTP::getKeyIdDataSession()")
U_INTERNAL_ASSERT_POINTER(data_session)
U_RETURN_STRING(data_session->keyid);
}
static UString getKeyIdDataSession(const UString& data)
{
U_TRACE(0, "UHTTP::getKeyIdDataSession(%V)", data.rep)
U_INTERNAL_ASSERT_POINTER(data_session)
UString keyid = data_session->setKeyIdDataSession(++sid_counter_gen, data);
U_RETURN_STRING(keyid);
}
#ifdef U_SSE_ENABLE // SERVER SENT EVENTS (SSE)
typedef UString (*strPF)();
static bool sse_auth;
static strPF sse_func;
static int sse_pipe_fd;
static const char* sse_corsbase;
static bool isValidationSSE();
# ifdef USE_LIBSSL
static UString SSE_event() { return UString::getStringNull(); }
# endif
static void manageSSE();
static void readSSE(int timeoutMS) __noreturn;
static void sendSSE(const UString& data)
{
U_TRACE(0, "UHTTP::sendSSE(%V)", data.rep)
UString buffer = UServer_Base::printSSE(U_SRV_SSE_CNT1, data, UServer_Base::sse_event);
uint32_t sz = buffer.size();
if (USocketExt::write(UServer_Base::csocket, buffer.data(), sz, UServer_Base::timeoutMS) != sz)
{
UServer_Base::eventSSE(U_CONSTANT_TO_PARAM("DEL %v\n"), UServer_Base::sse_id->rep);
UServer_Base::endNewChild(); // no return
}
}
#endif
// HTML Pagination
static uint32_t num_page_end,
num_page_cur,
num_page_start,
num_item_tot,
num_item_for_page;
static UString getLinkPagination();
static void addLinkPagination(UString& link, uint32_t num_page)
{
U_TRACE(0, "UHTTP::addLinkPagination(%V,%u)", link.rep, num_page)
# ifdef U_HTML_PAGINATION_SUPPORT
UString x(100U);
U_INTERNAL_DUMP("num_page_cur = %u", num_page_cur)
if (num_page == num_page_cur) x.snprintf(U_CONSTANT_TO_PARAM("<span class=\"pnow\">%u</span>"), num_page);
else x.snprintf(U_CONSTANT_TO_PARAM("<a href=\"?page=%u\" class=\"pnum\">%u</a>"), num_page, num_page);
(void) link.append(x);
link.push_back(' ');
# endif
}
// CGI
typedef struct ucgi {
const char* interpreter;
char environment_type;
char dir[503];
} ucgi;
static bool bnph;
static UCommand* pcmd;
static UString* geoip;
static UString* fcgi_uri_mask;
static UString* scgi_uri_mask;
static bool isFCGIRequest() __pure;
static bool isSCGIRequest() __pure;
static bool runCGI(bool set_environment);
static bool getCGIEnvironment(UString& environment, int type);
static bool processCGIOutput(bool cgi_sh_script, bool bheaders);
static bool processCGIRequest(UCommand* cmd, UHTTP::ucgi* cgi = U_NULLPTR);
static bool setEnvironmentForLanguageProcessing(int type, void* env, vPFpvpcpc func);
#if defined(U_ALIAS) && defined(USE_LIBPCRE) // REWRITE RULE
class RewriteRule {
public:
// Check for memory error
U_MEMORY_TEST
// Allocator e Deallocator
U_MEMORY_ALLOCATOR
U_MEMORY_DEALLOCATOR
UPCRE key;
UString replacement;
RewriteRule(const UString& _key, const UString& _replacement) : key(_key, PCRE_FOR_REPLACE), replacement(_replacement)
{
U_TRACE_CTOR(0, RewriteRule, "%V,%V", _key.rep, _replacement.rep)
key.study();
}
~RewriteRule()
{
U_TRACE_DTOR(0, RewriteRule)
}
#if defined(U_STDCPP_ENABLE) && defined(DEBUG)
const char* dump(bool reset) const U_EXPORT;
#endif
private:
U_DISALLOW_ASSIGN(RewriteRule)
};
static UVector<RewriteRule*>* vRewriteRule;
#endif
// ------------------------------------------------------------------------------------------------------------------------------------------------
// COMMON LOG FORMAT (APACHE LIKE LOG)
// ------------------------------------------------------------------------------------------------------------------------------------------------
// The Common Log Format, also known as the NCSA Common log format, is a standardized text file format used by web servers
// when generating server log files. Because the format is standardized, the files may be analyzed by a variety of web analysis programs.
// Each line in a file stored in the Common Log Format has the following syntax: host ident authuser date request status bytes
// ------------------------------------------------------------------------------------------------------------------------------------------------
// 10.10.25.2 - - [21/May/2012:16:29:41 +0200] "GET / HTTP/1.1" 200 598 "-" "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/536.5 (KHTML, like Gecko)"
// 10.10.25.2 - - [21/May/2012:16:29:41 +0200] "GET /unirel_logo.gif HTTP/1.1" 200 3414 "http://www.unirel.com/" "Mozilla/5.0 (X11; Linux x86_64)"
// ------------------------------------------------------------------------------------------------------------------------------------------------
#ifndef U_LOG_DISABLE
static char iov_buffer[20];
static struct iovec iov_vec[10];
# if !defined(U_CACHE_REQUEST_DISABLE) || defined(U_SERVER_CHECK_TIME_BETWEEN_REQUEST)
static uint32_t request_offset, referer_offset, agent_offset;
# endif
static void initApacheLikeLog();
static void prepareApacheLikeLog();
static void resetApacheLikeLog()
{
U_TRACE_NO_PARAM(0, "UHTTP::resetApacheLikeLog()")
iov_vec[6].iov_len =
iov_vec[8].iov_len = 1;
iov_vec[6].iov_base =
iov_vec[8].iov_base = (caddr_t) "-";
}
#endif
// USP (ULib Servlet Page)
class UServletPage : public UDynamic {
public:
vPF runDynamicPage;
vPFu runDynamicPageParam;
UString path, basename;
UServletPage(const void* name, uint32_t nlen, const char* base = U_NULLPTR, uint32_t blen = 0, vPF _runDynamicPage = U_NULLPTR, vPFu _runDynamicPageParam = U_NULLPTR)
: runDynamicPage(_runDynamicPage), runDynamicPageParam(_runDynamicPageParam), path(name, nlen)
{
U_TRACE_CTOR(0, UServletPage, "%.*S,%u,%.*S,%u,%p,%p", nlen, name, nlen, blen, base, blen, _runDynamicPage, _runDynamicPageParam)
if (blen) (void) basename.replace(base, blen);
}
~UServletPage()
{
U_TRACE_DTOR(0, UServletPage)
}
// SERVICE
bool operator<(const UServletPage& other) const { return cmp_obj(&basename, &other.basename); }
static int cmp_obj(const void* a, const void* b)
{
U_TRACE(0, "UServletPage::cmp_obj(%p,%p)", a, b)
# ifdef U_STDCPP_ENABLE
/**
* The comparison function must follow a strict-weak-ordering
*
* 1) For all x, it is not the case that x < x (irreflexivity)
* 2) For all x, y, if x < y then it is not the case that y < x (asymmetry)
* 3) For all x, y, and z, if x < y and y < z then x < z (transitivity)
* 4) For all x, y, and z, if x is incomparable with y, and y is incomparable with z, then x is incomparable with z (transitivity of incomparability)
*/
return (((const UServletPage*)a)->basename.compare(((const UServletPage*)b)->basename) < 0);
# else
return (*(const UServletPage**)a)->basename.compare((*(const UServletPage**)b)->basename);
# endif
}
#if defined(U_STDCPP_ENABLE) && defined(DEBUG)
const char* dump(bool reset) const U_EXPORT;
#endif
private:
bool load() U_NO_EXPORT;
void loadConfig() U_NO_EXPORT;
bool isPath(const char* pathname, uint32_t len)
{
U_TRACE(0, "UServletPage::isPath(%.*S,%u)", len, pathname, len)
if (path.equal(pathname, len)) U_RETURN(true);
U_RETURN(false);
}
U_DISALLOW_ASSIGN(UServletPage)
friend class UHTTP;
template <class T> friend void u_construct(const T**,bool);
};
static UServletPage* usp;
static bool bcallInitForAllUSP;
static UVector<UServletPage*>* vusp;
static void callEndForAllUSP();
static void callInitForAllUSP();
static void callSigHUPForAllUSP();
static void callAfterForkForAllUSP();
static bool checkForUSP();
static bool getUSP(const char* key, uint32_t key_len);
// CSP (C Servlet Page)
typedef int (*iPFipvc)(int,const char**);
class UCServletPage {
public:
// Check for memory error
U_MEMORY_TEST
// Allocator e Deallocator
U_MEMORY_ALLOCATOR
U_MEMORY_DEALLOCATOR
int size;
void* relocated;
iPFipvc prog_main;
UCServletPage()
{
U_TRACE_CTOR(0, UCServletPage, "")
size = 0;
relocated = U_NULLPTR;
prog_main = U_NULLPTR;
}
~UCServletPage()
{
U_TRACE_DTOR(0, UCServletPage)
if (relocated) UMemoryPool::_free(relocated, size, 1);
}
bool compile(UString& program);
// DEBUG
#if defined(U_STDCPP_ENABLE) && defined(DEBUG)
const char* dump(bool reset) const U_EXPORT;
#endif
private:
U_DISALLOW_COPY_AND_ASSIGN(UCServletPage)
};
#ifdef USE_PHP // (wrapper to embed the PHP interpreter)
class UPHP : public UDynamic {
public:
bPF initPHP;
bPF runPHP;
vPF endPHP;
UPHP()
{
U_TRACE_CTOR(0, UPHP, "")
initPHP =
runPHP = U_NULLPTR;
endPHP = U_NULLPTR;
}
~UPHP()
{
U_TRACE_DTOR(0, UPHP)
}
#if defined(U_STDCPP_ENABLE) && defined(DEBUG)
const char* dump(bool reset) const U_EXPORT;
#endif
private:
U_DISALLOW_COPY_AND_ASSIGN(UPHP)
};
static UPHP* php_embed;
#endif
static uint32_t npathinfo;
static UString* php_mount_point;
#ifdef USE_RUBY // (wrapper to embed the RUBY interpreter)
class URUBY : public UDynamic {
public:
bPF initRUBY;
bPF runRUBY;
vPF endRUBY;
URUBY()
{
U_TRACE_CTOR(0, URUBY, "")
initRUBY =
runRUBY = U_NULLPTR;
endRUBY = U_NULLPTR;
}
~URUBY()
{
U_TRACE_DTOR(0, URUBY)
}
#if defined(U_STDCPP_ENABLE) && defined(DEBUG)
const char* dump(bool reset) const U_EXPORT;
#endif
private:
U_DISALLOW_COPY_AND_ASSIGN(URUBY)
};
static URUBY* ruby_embed;
static bool ruby_on_rails;
static UString* ruby_libdir;
#endif
#ifdef USE_PYTHON // (wrapper to embed the PYTHON interpreter)
class UPYTHON : public UDynamic {
public:
bPF initPYTHON;
bPF runPYTHON;
vPF endPYTHON;
UPYTHON()
{
U_TRACE_CTOR(0, UPYTHON, "")
initPYTHON =
runPYTHON = U_NULLPTR;
endPYTHON = U_NULLPTR;
}
~UPYTHON()
{
U_TRACE_DTOR(0, UPYTHON)
}
#if defined(U_STDCPP_ENABLE) && defined(DEBUG)
const char* dump(bool reset) const U_EXPORT;
#endif
private:
U_DISALLOW_COPY_AND_ASSIGN(UPYTHON)
};
static UPYTHON* python_embed;
static UString* py_project_app;
static UString* py_project_root;
static UString* py_virtualenv_path;
#endif
#if defined(USE_PAGE_SPEED) || defined(USE_LIBV8)
typedef void (*vPFstr)(UString&);
#endif
#ifdef USE_PAGE_SPEED // (Google Page Speed)
typedef void (*vPFpcstr)(const char*, UString&);
class UPageSpeed : public UDynamic {
public:
vPFpcstr minify_html;
vPFstr optimize_gif, optimize_png, optimize_jpg;
UPageSpeed()
{
U_TRACE_CTOR(0, UPageSpeed, "")
minify_html = 0;
optimize_gif = optimize_png = optimize_jpg = 0;
}
~UPageSpeed()
{
U_TRACE_DTOR(0, UPageSpeed)
}
#if defined(U_STDCPP_ENABLE) && defined(DEBUG)
const char* dump(bool reset) const U_EXPORT;
#endif
private:
U_DISALLOW_COPY_AND_ASSIGN(UPageSpeed)
};
static UPageSpeed* page_speed;
#endif
#ifdef USE_LIBV8 // (Google V8 JavaScript Engine)
class UV8JavaScript : public UDynamic {
public:
vPFstr runv8;
UV8JavaScript()
{
U_TRACE_CTOR(0, UV8JavaScript, "")
runv8 = U_NULLPTR;
}
~UV8JavaScript()
{
U_TRACE_DTOR(0, UV8JavaScript)
}
#if defined(U_STDCPP_ENABLE) && defined(DEBUG)
const char* dump(bool reset) const U_EXPORT;
#endif
private:
U_DISALLOW_COPY_AND_ASSIGN(UV8JavaScript)
};
static UV8JavaScript* v8_javascript;
#endif
// DOCUMENT ROOT CACHE
class UFileCacheData {
public:
// Check for memory error
U_MEMORY_TEST
// Allocator e Deallocator
U_MEMORY_ALLOCATOR
U_MEMORY_DEALLOCATOR
void* ptr; // data
UVector<UString>* array; // content, header, gzip(content, header), brotli(content, header)
#ifndef U_HTTP2_DISABLE
UVector<UString>* http2; // header, gzip( header), brotli( header)
#endif
time_t mtime; // time of last modification
time_t expire; // expire time of the entry
uint32_t size; // size content
int wd; // if directory it is a "watch list" associated with an inotify instance...
mode_t mode; // file type
int mime_index; // index file mime type
int fd; // file descriptor
bool link; // true => ptr data point to another entry
UFileCacheData();
UFileCacheData(const UFileCacheData& elem);
~UFileCacheData();
// STREAM
#ifdef U_STDCPP_ENABLE
friend U_EXPORT istream& operator>>(istream& is, UFileCacheData& d);
friend U_EXPORT ostream& operator<<(ostream& os, const UFileCacheData& d);
# ifdef DEBUG
const char* dump(bool reset) const U_EXPORT;
# endif
#endif
private:
U_DISALLOW_ASSIGN(UFileCacheData)
template <class T> friend void u_construct(const T**,bool);
};
static UString* cache_file_mask;
static UString* cache_avoid_mask;
static UString* cache_file_store;
static UFileCacheData* file_data;
static UString* nocache_file_mask;
static UFileCacheData* file_gzip_bomb;
static UString* cache_file_as_dynamic_mask;
static UHashMap<UFileCacheData*>* cache_file;
static UFileCacheData* file_not_in_cache_data;
static bool isDataFromCache()
{
U_TRACE_NO_PARAM(0, "UHTTP::isDataFromCache()")
U_INTERNAL_ASSERT_POINTER(file_data)
U_INTERNAL_DUMP("file_data->array = %p", file_data->array)
if (file_data->array != U_NULLPTR) U_RETURN(true);
U_RETURN(false);
}
static void renewFileDataInCache();
static void checkFileForCache(const UString& path);
static void setResponseFromFileCache(UFileCacheData* pdata);
static UFileCacheData* getFileCachePointer(const char* path, uint32_t len)
{
U_TRACE(0, "UHTTP::getFileCachePointer(%.*S,%u)", len, path, len)
return cache_file->at(path, len);
}
static UFileCacheData* getFileCachePointer(const UString& path) { return getFileCachePointer(U_STRING_TO_PARAM(path)); }
static UFileCacheData* getFileCachePointerVar(const char* format, uint32_t fmt_size, ...)
{
U_TRACE(0, "UHTTP::getFileCachePointerVar(%.*S,%u)", fmt_size, format, fmt_size)
U_INTERNAL_ASSERT_EQUALS(u_buffer_len, 0)
va_list argp;
va_start(argp, fmt_size);
return cache_file->at(u_buffer, u__vsnprintf(u_buffer, U_BUFFER_SIZE, format, fmt_size, argp));
va_end(argp);
}
static bool getFileInCache(const char* path, uint32_t len);
static bool checkFileInCache(const char* path, uint32_t len)
{
U_TRACE(0, "UHTTP::checkFileInCache(%.*S,%u)", len, path, len)
if ((file_data = getFileCachePointer(path, len)))
{
file->st_size = file_data->size;
file->st_mode = file_data->mode;
file->st_mtime = file_data->mtime;
U_DUMP("file_data->fd = %d st_size = %I st_mtime = %#3D dir() = %b", file_data->fd, file->st_size, file->st_mtime, file->dir())
U_RETURN(true);
}
U_RETURN(false);
}
static bool isFileInCache()
{
U_TRACE_NO_PARAM(0, "UHTTP::isFileInCache()")
return checkFileInCache(U_FILE_TO_PARAM(*file));
}
static uint32_t old_path_len;
static bool checkFileInCacheOld(const char* path, uint32_t len)
{
U_TRACE(0, "UHTTP::checkFileInCacheOld(%.*S,%u)", len, path, len)
U_INTERNAL_DUMP("old_path_len = %u", old_path_len)
if (old_path_len != len) return checkFileInCache(path, (old_path_len = len));
if (file_data) U_RETURN(true);
U_RETURN(false);
}
static UString getDataFromCache(UVector<UString>* array, uint32_t idx)
{
U_TRACE(0, "UHTTP::getDataFromCache(%p,%u)", array, idx)
U_INTERNAL_ASSERT_MINOR(idx, 6)
U_INTERNAL_DUMP("U_http_version = %C", U_http_version)
if (array &&
idx < array->size())
{
UString result = array->at(idx);
U_RETURN_STRING(result);
}
return UString::getStringNull();
}
#ifdef U_HTTP2_DISABLE
static UString getHeaderFromCache(uint32_t idx) { return getDataFromCache(file_data->array, idx); }
#else
static UString getHeaderFromCache(uint32_t idx) { return (U_http_version != '2' ? getDataFromCache(file_data->array, idx) : getDataFromCache(file_data->http2, idx / 2)); }
#endif
static UString getBodyFromCache() { return getDataFromCache(file_data->array, 0); }
static UString getHeaderFromCache() { return getHeaderFromCache(1); }
static UString getBodyCompressFromCache() { return getDataFromCache(file_data->array, 2); }
static UString getHeaderCompressFromCache() { return getHeaderFromCache(3); }
static UString getBodyCompressBrotliFromCache() { return getDataFromCache(file_data->array, 4); }
static UString getHeaderCompressBrotliFromCache() { return getHeaderFromCache(5); }
static UString contentOfFromCache(const char* path, uint32_t len)
{
U_TRACE(0, "UHTTP::contentOfFromCache(%.*S,%u)", len, path, len)
if ((file_data = getFileCachePointer(path, len)))
{
UString result = getBodyFromCache();
U_RETURN_STRING(result);
}
return UString::getStringNull();
}
static UString contentOfFromCache(const UString& path) { return contentOfFromCache(U_STRING_TO_PARAM(path)); }
// URI PROTECTION (for example directory listing)
static UString* htpasswd;
static UString* htdigest;
static bool digest_authentication; // authentication method (digest|basic)
static UString* user_authentication;
static time_t htdigest_mtime, htpasswd_mtime;
static UString getUserAuthentication() { return *user_authentication; }
// -----------------------------------------------------------------------------------------------
// for Jonathan Kelly
// -----------------------------------------------------------------------------------------------
static UFileCacheData* getPasswdDB(const char* name, uint32_t len, UString& fpasswd); // ex. U_CONSTANT_TO_PARAM("tutor"), x
static bool savePasswdDB(const char* name, uint32_t len, const UString& fpasswd, UFileCacheData* ptr_file_data); // Save Changes to Disk and Cache
static void setPasswdUser(UString& fpasswd, const UString& username, const UString& password); // Add/Update passwd User
static bool revokePasswdUser(UString& fpasswd, const UString& username); // Remove passwd User
// -----------------------------------------------------------------------------------------------
#ifdef USE_LIBSSL
static UString* uri_protected_mask;
static UVector<UIPAllow*>* vallow_IP;
static UString* uri_request_cert_mask;
static bool checkUriProtected();
#endif
#if defined(U_HTTP_STRICT_TRANSPORT_SECURITY) || defined(USE_LIBSSL)
static bool isValidation();
#endif
private:
static uint32_t is_response_compressed;
static void setMimeIndex()
{
U_TRACE_NO_PARAM(0, "UHTTP::setMimeIndex()")
U_INTERNAL_ASSERT_POINTER(file)
U_ASSERT_EQUALS(UClientImage_Base::isRequestNotFound(), false)
const char* uri_suffix = u_getsuffix(U_FILE_TO_PARAM(*file));
U_INTERNAL_DUMP("uri_suffix = %p", uri_suffix)
if (uri_suffix == U_NULLPTR) mime_index = U_unknow;
else (void) u_get_mimetype(uri_suffix+1, &mime_index);
}
static const char* setMimeIndex(const char* suffix)
{
U_TRACE(0, "UHTTP::setMimeIndex(%S)", suffix)
U_INTERNAL_ASSERT_POINTER(file)
mime_index = U_unknow;
const char* ctype = file->getMimeType(suffix, &mime_index);
file_data->mime_index = mime_index;
return ctype;
}
static int handlerREAD();
static void processRequest();
static void handlerResponse();
static void setDynamicResponse(const UString& lbody, const UString& header = UString::getStringNull(), const UString& content_type = UString::getStringNull());
#ifndef U_LOG_DISABLE
static int handlerREADWithLog()
{
U_TRACE_NO_PARAM(0, "UHTTP::handlerREADWithLog()")
U_ASSERT(UServer_Base::isLog())
(void) strcpy(UServer_Base::mod_name[0], "[http] ");
U_ClientImage_state = handlerREAD();
UServer_Base::mod_name[0][0] = '\0';
U_RETURN(U_ClientImage_state);
}
static void processRequestWithLog()
{
U_TRACE_NO_PARAM(0, "UHTTP::processRequestWithLog()")
U_ASSERT(UServer_Base::isLog())
(void) strcpy(UServer_Base::mod_name[0], "[http] ");
processRequest();
UServer_Base::mod_name[0][0] = '\0';
}
#endif
static UString getHTMLDirectoryList();
#if defined(U_ALIAS) && defined(USE_LIBPCRE) // REWRITE RULE
static void processRewriteRule() U_NO_EXPORT;
#endif
#if defined(HAVE_SYS_INOTIFY_H) && defined(U_HTTP_INOTIFY_SUPPORT)
static int inotify_wd;
static char* inotify_name;
static uint32_t inotify_len;
static UString* inotify_pathname;
static UStringRep* inotify_dir;
static UFileCacheData* inotify_file_data;
static void in_READ();
static void initInotify();
static void setInotifyPathname() U_NO_EXPORT;
static bool getInotifyPathDirectory(UStringRep* key, void* value) U_NO_EXPORT;
static bool checkForInotifyDirectory(UStringRep* key, void* value) U_NO_EXPORT;
#endif
#if defined(USE_LIBZ) || defined(USE_LIBBROTLI)
static bool checkForCompression(uint32_t size)
{
U_TRACE(0, "UHTTP::checkForCompression(%u)", size)
U_INTERNAL_DUMP("U_http_is_accept_gzip = %b U_http_is_accept_brotli = %b", U_http_is_accept_gzip, U_http_is_accept_brotli)
if (size > U_MIN_SIZE_FOR_DEFLATE)
{
# ifdef USE_LIBBROTLI
if (U_http_is_accept_brotli) U_RETURN(true);
# endif
# ifdef USE_LIBZ
if (U_http_is_accept_gzip) U_RETURN(true);
# endif
}
U_RETURN(false);
}
# ifdef USE_LIBBROTLI
static void checkArrayCompressData(UFileCacheData* ptr) U_NO_EXPORT;
# endif
static inline bool compress(UString& header, const UString& lbody) U_NO_EXPORT;
static inline void setAcceptEncoding(const char* ptr, uint32_t len) U_NO_EXPORT;
#endif
#ifdef U_STATIC_ONLY
static void loadStaticLinkedServlet(const char* name, uint32_t len, vPF runDynamicPage, vPFu runDynamicPageParam) U_NO_EXPORT;
#endif
static bool callService() U_NO_EXPORT;
static bool checkPathName() U_NO_EXPORT;
static void checkIPClient() U_NO_EXPORT;
static bool runDynamicPage() U_NO_EXPORT;
static bool readBodyRequest() U_NO_EXPORT;
static void processFileCache() U_NO_EXPORT;
static bool readHeaderRequest() U_NO_EXPORT;
static bool processGetRequest() U_NO_EXPORT;
static void processDataFromCache() U_NO_EXPORT;
static bool checkRequestForHeader() U_NO_EXPORT;
static bool checkGetRequestIfRange() U_NO_EXPORT;
static void setCGIShellScript(UString& command) U_NO_EXPORT;
static bool checkIfSourceHasChangedAndCompileUSP() U_NO_EXPORT;
static int checkGetRequestForRange(const char* pdata) U_NO_EXPORT;
static bool compileUSP(const char* path, uint32_t len) U_NO_EXPORT;
static bool manageSendfile(const char* ptr, uint32_t len) U_NO_EXPORT;
static int sortRange(const void* a, const void* b) __pure U_NO_EXPORT;
static bool addHTTPVariables(UStringRep* key, void* value) U_NO_EXPORT;
static void setContentResponse(const UString& content_type) U_NO_EXPORT;
static bool splitCGIOutput(const char*& ptr1, const char* ptr2) U_NO_EXPORT;
static void setHeaderForCache(UFileCacheData* ptr, UString& data) U_NO_EXPORT;
static void setResponseForRange(off_t start, off_t end, uint32_t header) U_NO_EXPORT;
static bool readDataChunked(USocket* sk, UString* pbuffer, UString& lbody) U_NO_EXPORT;
static void manageDataForCache(const UString& basename, const UString& suffix) U_NO_EXPORT;
static bool checkDataSession(const UString& token, time_t expire, UString* data) U_NO_EXPORT;
static void putDataInCache(const UString& path, const UString& fmt, UString& content) U_NO_EXPORT;
static void addContentLengthToHeader(UString& header, char* ptr, uint32_t size, const char* pEndHeader = U_NULLPTR) U_NO_EXPORT;
static void setDataInCache(const UString& fmt, const UString& content, const char* encoding, uint32_t encoding_len) U_NO_EXPORT;
static bool processAuthorization(const char* ptr, uint32_t sz, const char* pattern = U_NULLPTR, uint32_t len = 0) U_NO_EXPORT;
static inline void resetFileCache() U_NO_EXPORT;
static inline void setUpgrade(const char* ptr) U_NO_EXPORT;
static inline bool checkPathName(uint32_t len) U_NO_EXPORT;
static inline bool checkGetRequestIfModified() U_NO_EXPORT;
static inline void setConnection(const char* ptr) U_NO_EXPORT;
static inline void setIfModSince(const char* ptr, uint32_t len) U_NO_EXPORT;
static inline bool setSendfile(int fd, off_t start, off_t count) U_NO_EXPORT;
static inline void setContentLength(const char* ptr1, const char* ptr2) U_NO_EXPORT;
static inline bool checkDataChunked(UString* pbuffer) U_NO_EXPORT;
static inline void setRange(const char* ptr, uint32_t len) U_NO_EXPORT;
static inline void setCookie(const char* ptr, uint32_t len) U_NO_EXPORT;
static inline void setUserAgent(const char* ptr, uint32_t len) U_NO_EXPORT;
static inline void setAccept(const char* ptr, uint32_t len) U_NO_EXPORT;
static inline void setReferer(const char* ptr, uint32_t len) U_NO_EXPORT;
static inline void setXRealIP(const char* ptr, uint32_t len) U_NO_EXPORT;
static inline void setContentType(const char* ptr, uint32_t len) U_NO_EXPORT;
static inline void setAcceptLanguage(const char* ptr, uint32_t len) U_NO_EXPORT;
static inline void setXForwardedFor(const char* ptr, uint32_t len) U_NO_EXPORT;
static inline void setXHttpForwardedFor(const char* ptr, uint32_t len) U_NO_EXPORT;
static uint32_t getPosPasswd(UString& fpasswd, const UString& line) __pure U_NO_EXPORT;
static uint32_t checkPasswd(UFileCacheData* ptr_file_data, UString& fpasswd, const UString& line) U_NO_EXPORT;
U_DISALLOW_COPY_AND_ASSIGN(UHTTP)
friend class UHTTP2;
friend class USSIPlugIn;
friend class UHttpPlugIn;
friend class UProxyPlugIn;
friend class UClientImage_Base;
friend void runDynamicPage_dirlist(int);
#ifdef U_STDCPP_ENABLE
friend istream& operator>>(istream&, UHTTP::UFileCacheData&);
#endif
};
template <> inline void u_destroy(const UHTTP::UFileCacheData* elem)
{
U_TRACE(0, "u_destroy<UFileCacheData>(%p)", elem)
if (elem <= (const void*)0x0000ffff) U_ERROR("u_destroy<UFileCacheData>(%p)", elem);
// NB: we need this check if we are at the end of UHashMap<UHTTP::UFileCacheData*>::operator>>()...
if (UHashMap<void*>::istream_loading)
{
((UHTTP::UFileCacheData*)elem)->ptr =
((UHTTP::UFileCacheData*)elem)->array = U_NULLPTR;
# ifndef U_HTTP2_DISABLE
((UHTTP::UFileCacheData*)elem)->http2 = U_NULLPTR;
# endif
}
U_DELETE(elem)
}
#endif
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