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Overview
Comment:Add the --baseurl open to the "fossil server" and "fossil http" commands, for use with reverse proxies such as nginx.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: ecb85f61a9a9a2f00cf42b89081378125fe32df2
User & Date: drh 2012-09-26 11:59:17.556
Context
2012-09-26
12:55
Add the --tk option to "fossil diff" in order to launch a Tcl/Tk GUI display of colorized side-by-side diffs. ... (check-in: 22e5d711e5 user: drh tags: trunk)
11:59
Add the --baseurl open to the "fossil server" and "fossil http" commands, for use with reverse proxies such as nginx. ... (check-in: ecb85f61a9 user: drh tags: trunk)
09:27
Bug-fix: inline editor on Windows should expect mbcs, not utf-8 ... (check-in: 9c9ad8e572 user: jan.nijtmans tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/cgi.c.
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*/
NORETURN void cgi_redirect(const char *zURL){
  char *zLocation;
  CGIDEBUG(("redirect to %s\n", zURL));
  if( strncmp(zURL,"http:",5)==0 || strncmp(zURL,"https:",6)==0 ){
    zLocation = mprintf("Location: %s\r\n", zURL);
  }else if( *zURL=='/' ){



    zLocation = mprintf("Location: %.*s%s\r\n",
         strlen(g.zBaseURL)-strlen(g.zTop), g.zBaseURL, zURL);
  }else{
    zLocation = mprintf("Location: %s/%s\r\n", g.zBaseURL, zURL);
  }
  cgi_append_header(zLocation);
  cgi_reset_content();
  cgi_printf("<html>\n<p>Redirect to %h</p>\n</html>\n", zLocation);
  cgi_set_status(302, "Moved Temporarily");







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*/
NORETURN void cgi_redirect(const char *zURL){
  char *zLocation;
  CGIDEBUG(("redirect to %s\n", zURL));
  if( strncmp(zURL,"http:",5)==0 || strncmp(zURL,"https:",6)==0 ){
    zLocation = mprintf("Location: %s\r\n", zURL);
  }else if( *zURL=='/' ){
    int n1 = (int)strlen(g.zBaseURL);
    int n2 = (int)strlen(g.zTop);
    if( g.zBaseURL[n1-1]=='/' ) zURL++;
    zLocation = mprintf("Location: %.*s%s\r\n", n1-n2, g.zBaseURL, zURL);

  }else{
    zLocation = mprintf("Location: %s/%s\r\n", g.zBaseURL, zURL);
  }
  cgi_append_header(zLocation);
  cgi_reset_content();
  cgi_printf("<html>\n<p>Redirect to %h</p>\n</html>\n", zLocation);
  cgi_set_status(302, "Moved Temporarily");
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  }
  if( zLeftOver ){ *zLeftOver = zInput; }
  return zResult;
}

/*
** This routine handles a single HTTP request which is coming in on
** standard input and which replies on standard output.
**
** The HTTP request is read from standard input and is used to initialize

** environment variables as per CGI.  The cgi_init() routine to complete
** the setup.  Once all the setup is finished, this procedure returns
** and subsequent code handles the actual generation of the webpage.
*/
void cgi_handle_http_request(const char *zIpAddr){
  char *z, *zToken;
  int i;
  struct sockaddr_in remoteName;







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  }
  if( zLeftOver ){ *zLeftOver = zInput; }
  return zResult;
}

/*
** This routine handles a single HTTP request which is coming in on
** g.httpIn and which replies on g.httpOut
**
** The HTTP request is read from g.httpIn and is used to initialize
** entries in the cgi_parameter() hash, as if those entries were
** environment variables.  A call to cgi_init() completes
** the setup.  Once all the setup is finished, this procedure returns
** and subsequent code handles the actual generation of the webpage.
*/
void cgi_handle_http_request(const char *zIpAddr){
  char *z, *zToken;
  int i;
  struct sockaddr_in remoteName;
Changes to src/main.c.
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  style_footer();
}

/*
** Set the g.zBaseURL value to the full URL for the toplevel of
** the fossil tree.  Set g.zTop to g.zBaseURL without the
** leading "http://" and the host and port.





*/
void set_base_url(void){
  int i;
  const char *zHost;
  const char *zMode;
  const char *zCur;

  if( g.zBaseURL!=0 ) return;






















  zHost = PD("HTTP_HOST","");
  zMode = PD("HTTPS","off");
  zCur = PD("SCRIPT_NAME","/");
  i = strlen(zCur);
  while( i>0 && zCur[i-1]=='/' ) i--;
  if( fossil_stricmp(zMode,"on")==0 ){
    g.zBaseURL = mprintf("https://%s%.*s", zHost, i, zCur);
    g.zTop = &g.zBaseURL[8+strlen(zHost)];
  }else{
    g.zBaseURL = mprintf("http://%s%.*s", zHost, i, zCur);
    g.zTop = &g.zBaseURL[7+strlen(zHost)];

  }
  if( db_is_writeable("repository") ){
    if( !db_exists("SELECT 1 FROM config WHERE name='baseurl:%q'", g.zBaseURL)){
      db_multi_exec("INSERT INTO config(name,value,mtime)"
                    "VALUES('baseurl:%q',1,now())", g.zBaseURL);
    }else{
      db_optional_sql("repository",







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  style_footer();
}

/*
** Set the g.zBaseURL value to the full URL for the toplevel of
** the fossil tree.  Set g.zTop to g.zBaseURL without the
** leading "http://" and the host and port.
**
** The g.zBaseURL is normally set based on HTTP_HOST and SCRIPT_NAME
** environment variables.  However, if zAltBase is not NULL then it
** is the argument to the --baseurl option command-line option and
** g.zBaseURL and g.zTop is set from that instead.
*/
static void set_base_url(const char *zAltBase){
  int i;
  const char *zHost;
  const char *zMode;
  const char *zCur;

  if( g.zBaseURL!=0 ) return;
  if( zAltBase ){
    int i, n, c;
    g.zTop = g.zBaseURL = mprintf("%s", zAltBase);
    if( memcmp(g.zTop, "http://", 7)!=0 && memcmp(g.zTop,"https://",8)!=0 ){
      fossil_fatal("argument to --baseurl should be 'http://host/path'"
                   " or 'https://host/path'");
    }
    for(i=n=0; (c = g.zTop[i])!=0; i++){
      if( c=='/' ){
        n++;
        if( n==3 ){
          g.zTop += i;
          break;
        }
      }
    }
    if( g.zTop==g.zBaseURL ){
      fossil_fatal("argument to --baseurl should be 'http://host/path'"
                   " or 'https://host/path'");
    }
    if( g.zTop[1]==0 ) g.zTop++;
  }else{
    zHost = PD("HTTP_HOST","");
    zMode = PD("HTTPS","off");
    zCur = PD("SCRIPT_NAME","/");
    i = strlen(zCur);
    while( i>0 && zCur[i-1]=='/' ) i--;
    if( fossil_stricmp(zMode,"on")==0 ){
      g.zBaseURL = mprintf("https://%s%.*s", zHost, i, zCur);
      g.zTop = &g.zBaseURL[8+strlen(zHost)];
    }else{
      g.zBaseURL = mprintf("http://%s%.*s", zHost, i, zCur);
      g.zTop = &g.zBaseURL[7+strlen(zHost)];
    }
  }
  if( db_is_writeable("repository") ){
    if( !db_exists("SELECT 1 FROM config WHERE name='baseurl:%q'", g.zBaseURL)){
      db_multi_exec("INSERT INTO config(name,value,mtime)"
                    "VALUES('baseurl:%q',1,now())", g.zBaseURL);
    }else{
      db_optional_sql("repository",
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          i++;
          continue;
        }
        zRepo[j] = '.';
      }

      if( szFile<1024 ){
        set_base_url();
        if( zNotFound ){
          cgi_redirect(zNotFound);
        }else{
#ifdef FOSSIL_ENABLE_JSON
          if(g.json.isJsonMode){
            json_err(FSL_JSON_E_RESOURCE_NOT_FOUND,NULL,1);
            return;







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          i++;
          continue;
        }
        zRepo[j] = '.';
      }

      if( szFile<1024 ){
        set_base_url(0);
        if( zNotFound ){
          cgi_redirect(zNotFound);
        }else{
#ifdef FOSSIL_ENABLE_JSON
          if(g.json.isJsonMode){
            json_err(FSL_JSON_E_RESOURCE_NOT_FOUND,NULL,1);
            return;
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  /* Find the page that the user has requested, construct and deliver that
  ** page.
  */
  if( g.zContentType && memcmp(g.zContentType, "application/x-fossil", 20)==0 ){
    zPathInfo = "/xfer";
  }
  set_base_url();
  if( zPathInfo==0 || zPathInfo[0]==0
      || (zPathInfo[0]=='/' && zPathInfo[1]==0) ){
#ifdef FOSSIL_ENABLE_JSON
    if(g.json.isJsonMode){
      json_err(FSL_JSON_E_RESOURCE_NOT_FOUND,NULL,1);
      fossil_exit(0);
    }







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  /* Find the page that the user has requested, construct and deliver that
  ** page.
  */
  if( g.zContentType && memcmp(g.zContentType, "application/x-fossil", 20)==0 ){
    zPathInfo = "/xfer";
  }
  set_base_url(0);
  if( zPathInfo==0 || zPathInfo[0]==0
      || (zPathInfo[0]=='/' && zPathInfo[1]==0) ){
#ifdef FOSSIL_ENABLE_JSON
    if(g.json.isJsonMode){
      json_err(FSL_JSON_E_RESOURCE_NOT_FOUND,NULL,1);
      fossil_exit(0);
    }
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** Then a redirect is made to URL if no match is found.  Otherwise a
** very primative error message is returned.
*/
void redirect_web_page(int nRedirect, char **azRedirect){
  int i;                             /* Loop counter */
  const char *zNotFound = 0;         /* Not found URL */
  const char *zName = P("name");
  set_base_url();
  if( zName==0 ){
    zName = P("SCRIPT_NAME");
    if( zName && zName[0]=='/' ) zName++;
  }
  if( zName && validate16(zName, strlen(zName)) ){
    for(i=0; i<nRedirect; i++){
      if( fossil_strcmp(azRedirect[i*2],"*")==0 ){







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** Then a redirect is made to URL if no match is found.  Otherwise a
** very primative error message is returned.
*/
void redirect_web_page(int nRedirect, char **azRedirect){
  int i;                             /* Loop counter */
  const char *zNotFound = 0;         /* Not found URL */
  const char *zName = P("name");
  set_base_url(0);
  if( zName==0 ){
    zName = P("SCRIPT_NAME");
    if( zName && zName[0]=='/' ) zName++;
  }
  if( zName && validate16(zName, strlen(zName)) ){
    for(i=0; i<nRedirect; i++){
      if( fossil_strcmp(azRedirect[i*2],"*")==0 ){
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** thus also no redirecting from http: to https: will take place.
**
** If the --localauth option is given, then automatic login is performed
** for requests coming from localhost, if the "localauth" setting is not
** enabled.
**
** Options:
**   --localauth    enable automatic login for local connections
**   --host NAME    specify hostname of the server
**   --https        signal a request coming in via https
**   --nossl        signal that no SSL connections are available
**   --notfound URL use URL as "HTTP 404, object not found" page.

**
** See also: cgi, server, winsrv
*/
void cmd_http(void){
  const char *zIpAddr;
  const char *zNotFound;
  const char *zHost;

  zNotFound = find_option("notfound", 0, 1);
  g.useLocalauth = find_option("localauth", 0, 0)!=0;
  g.sslNotAvailable = find_option("nossl", 0, 0)!=0;


  if( find_option("https",0,0)!=0 ) cgi_replace_parameter("HTTPS","on");
  zHost = find_option("host", 0, 1);
  if( zHost ) cgi_replace_parameter("HTTP_HOST",zHost);
  g.cgiOutput = 1;
  if( g.argc!=2 && g.argc!=3 && g.argc!=6 ){
    fossil_fatal("no repository specified");
  }







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** thus also no redirecting from http: to https: will take place.
**
** If the --localauth option is given, then automatic login is performed
** for requests coming from localhost, if the "localauth" setting is not
** enabled.
**
** Options:
**   --localauth      enable automatic login for local connections
**   --host NAME      specify hostname of the server
**   --https          signal a request coming in via https
**   --nossl          signal that no SSL connections are available
**   --notfound URL   use URL as "HTTP 404, object not found" page.
**   --baseurl URL    base URL (useful with reverse proxies)
**
** See also: cgi, server, winsrv
*/
void cmd_http(void){
  const char *zIpAddr;
  const char *zNotFound;
  const char *zHost;
  const char *zAltBase;
  zNotFound = find_option("notfound", 0, 1);
  g.useLocalauth = find_option("localauth", 0, 0)!=0;
  g.sslNotAvailable = find_option("nossl", 0, 0)!=0;
  zAltBase = find_option("baseurl", 0, 1);
  if( zAltBase ) set_base_url(zAltBase);
  if( find_option("https",0,0)!=0 ) cgi_replace_parameter("HTTPS","on");
  zHost = find_option("host", 0, 1);
  if( zHost ) cgi_replace_parameter("HTTP_HOST",zHost);
  g.cgiOutput = 1;
  if( g.argc!=2 && g.argc!=3 && g.argc!=6 ){
    fossil_fatal("no repository specified");
  }
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** if the --localauth option is present and the "localauth" setting is off
** and the connection is from localhost.
**
** Options:
**   --localauth         enable automatic login for requests from localhost
**   -P|--port TCPPORT   listen to request on port TCPPORT
**   --th-trace          trace TH1 execution (for debugging purposes)

**
** See also: cgi, http, winsrv
*/
void cmd_webserver(void){
  int iPort, mxPort;        /* Range of TCP ports allowed */
  const char *zPort;        /* Value of the --port option */
  const char *zBrowser;     /* Name of web browser program */
  char *zBrowserCmd = 0;    /* Command to launch the web browser */
  int isUiCmd;              /* True if command is "ui", not "server' */
  const char *zNotFound;    /* The --notfound option or NULL */
  int flags = 0;            /* Server flags */


#if defined(_WIN32)
  const char *zStopperFile;    /* Name of file used to terminate server */
  zStopperFile = find_option("stopper", 0, 1);
#endif

  g.thTrace = find_option("th-trace", 0, 0)!=0;
  g.useLocalauth = find_option("localauth", 0, 0)!=0;
  if( g.thTrace ){
    blob_zero(&g.thLog);
  }
  zPort = find_option("port", "P", 1);
  zNotFound = find_option("notfound", 0, 1);




  if( g.argc!=2 && g.argc!=3 ) usage("?REPOSITORY?");
  isUiCmd = g.argv[1][0]=='u';
  if( isUiCmd ){
    flags |= HTTP_SERVER_LOCALHOST;
    g.useLocalauth = 1;
  }
  find_server_repository(isUiCmd);







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** if the --localauth option is present and the "localauth" setting is off
** and the connection is from localhost.
**
** Options:
**   --localauth         enable automatic login for requests from localhost
**   -P|--port TCPPORT   listen to request on port TCPPORT
**   --th-trace          trace TH1 execution (for debugging purposes)
**   --baseurl URL       Use URL as the base (useful for reverse proxies)
**
** See also: cgi, http, winsrv
*/
void cmd_webserver(void){
  int iPort, mxPort;        /* Range of TCP ports allowed */
  const char *zPort;        /* Value of the --port option */
  const char *zBrowser;     /* Name of web browser program */
  char *zBrowserCmd = 0;    /* Command to launch the web browser */
  int isUiCmd;              /* True if command is "ui", not "server' */
  const char *zNotFound;    /* The --notfound option or NULL */
  int flags = 0;            /* Server flags */
  const char *zAltBase;     /* Argument to the --baseurl option */

#if defined(_WIN32)
  const char *zStopperFile;    /* Name of file used to terminate server */
  zStopperFile = find_option("stopper", 0, 1);
#endif

  g.thTrace = find_option("th-trace", 0, 0)!=0;
  g.useLocalauth = find_option("localauth", 0, 0)!=0;
  if( g.thTrace ){
    blob_zero(&g.thLog);
  }
  zPort = find_option("port", "P", 1);
  zNotFound = find_option("notfound", 0, 1);
  zAltBase = find_option("baseurl", 0, 1);
  if( zAltBase ){
    set_base_url(zAltBase);
  }
  if( g.argc!=2 && g.argc!=3 ) usage("?REPOSITORY?");
  isUiCmd = g.argv[1][0]=='u';
  if( isUiCmd ){
    flags |= HTTP_SERVER_LOCALHOST;
    g.useLocalauth = 1;
  }
  find_server_repository(isUiCmd);