Class: Yast::HttpServerClass

Inherits:
Module
  • Object
show all
Defined in:
../../src/modules/HttpServer.rb

Instance Method Summary (collapse)

Instance Method Details

- (Hash) AutoPackages

Return required packages for auto-installation

Returns:

  • (Hash)

    of packages to be installed and to be removed



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# File '../../src/modules/HttpServer.rb', line 764

def AutoPackages
  if !Package.InstalledAny(
      ["apache2-prefork", "apache2-metuxmpm", "apache2-worker"]
    )
    # add a default MPM - prefork because of the PHP4 compatibility
    @required_packages = Convert.convert(
      Builtins.union(@required_packages, ["apache2-prefork"]),
      :from => "list",
      :to   => "list <string>"
    )
  end

  { "install" => @required_packages, "remove" => [] }
end

- (Hash) Export

Dump the http-server settings to a single map (For use by autoinstallation.)

Returns:

  • (Hash)

    Dumped settings (later acceptable by Import ())



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# File '../../src/modules/HttpServer.rb', line 608

def Export
  known_modules = YaST::HTTPDData.GetKnownModules

  enabled_modules = YaST::HTTPDData.GetModuleList

  Builtins.y2milestone("Enabled modules: %1", enabled_modules)

  # walk over the known modules
  modules = Builtins.maplist(known_modules) do |desc|
    {
      "name"    => Ops.get_string(desc, "name", ""),
      "change"  => Ops.get(desc, "default") == "1" ?
        # default is true
        Builtins.contains(enabled_modules, Ops.get_string(desc, "name", "")) ? "nochange" : "disable" :
        # default is false
        Builtins.contains(enabled_modules, Ops.get_string(desc, "name", "")) ? "enable" : "nochange",
      "default" => Ops.get_string(desc, "default", "1")
    }
  end

  # filter out not changed
  modules = Builtins.filter(modules) do |desc|
    Ops.get(desc, "change") != "nochange"
  end

  # store the user defined ones
  Builtins.foreach(enabled_modules) do |mod|
    if find_known_module(known_modules, mod) == nil
      # user-defined
      modules = Builtins.add(
        modules,
        { "name" => mod, "change" => "enable", "userdefined" => true }
      )
    end
  end

  # hosts
  hosts = []
  #listmap (string host, YaST::HTTPDData::GetHostsList(), ``(
  #	$[ "KEY":host, "VALUE":YaST::HTTPDData::GetHost(host) ]
  #    ));
  Builtins.foreach(YaST::HTTPDData.GetHostsList) do |host|
    hosts = Builtins.add(
      hosts,
      { "KEY" => host, "VALUE" => YaST::HTTPDData.GetHost(host) }
    )
  end

  Builtins.y2milestone("Hosts: %1", hosts)

  result = {
    "version" => "2.9",
    "modules" => modules,
    "hosts"   => hosts,
    "Listen"  => YaST::HTTPDData.GetCurrentListen,
    "service" => YaST::HTTPDData.GetService
  }

  @configured = true
  deep_copy(result)
end

- (Hash{String => Object}) find_known_module(known_modules, mod)

For module name find description map in known_modules

Parameters:

  • known_modules (Array<Hash{String => Object>})

    list< map<string,any> > known modules

  • mod (String)

    string module name

Returns:

  • (Hash{String => Object})

    module description



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# File '../../src/modules/HttpServer.rb', line 500

def find_known_module(known_modules, mod)
  known_modules = deep_copy(known_modules)
  res = nil
  Builtins.foreach(known_modules) do |i|
    if Ops.get_string(i, "name", "") == mod
      res = deep_copy(i)
      raise Break
    end
  end

  deep_copy(res)
end

- (Boolean) Import(s)

Get all http-server settings from the first parameter (For use by autoinstallation.)

Parameters:

  • s (Hash)

    The YCP map to be imported

Returns:

  • (Boolean)

    True on success



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# File '../../src/modules/HttpServer.rb', line 517

def Import(s)
  s = deep_copy(s)
  YaST::HTTPDData.InitializeDefaults

  version = Ops.get_string(s, "version", "unknown")

  # setup modules
  Builtins.foreach(Ops.get_list(s, "modules", [])) do |desc|
    mod = Ops.get_string(desc, "name", "")
    if Builtins.size(mod) == 0
      # translators: warning in autoyast loading the configuration description.
      Report.Warning(
        _("Module description does not have a name specified, ignoring.")
      )
      next
    end
    change_string = Ops.get_string(desc, "change", "nochange")
    # get the default
    defaultstatus = Ops.get_string(desc, "default")
    if change_string != "nochange"
      if !Builtins.contains(["enable", "disable"], change_string)
        # translators: warning in autoyast loading the configuration description.
        Report.Warning(
          Builtins.sformat(
            _("Unknown change of a module for autoinstallation: %1"),
            change_string
          )
        )
        next
      end

      # just change the status
      YaST::HTTPDData.ModifyModuleList([mod], change_string == "enable")
    else
      # check against the current default
      if defaultstatus != nil &&
          Ops.get(
            find_known_module(YaST::HTTPDData.GetKnownModules, mod),
            "default"
          ) != defaultstatus
        # translators: warning in autoyast loading the configuration description.
        Report.Warning(
          Builtins.sformat(
            _(
              "Default value for module %1 does not match.\nThis can cause inconsistent module configuration."
            ),
            mod
          )
        )
      end
    end
  end

  # setup listen
  listen = Ops.get_list(s, "Listen", [])
  Builtins.foreach(listen) do |l|
    if !Builtins.haskey(l, "PORT")
      # translators: error in autoyast loading the configuration description.
      Report.Error(_("Listen statement without port found."))
    else
      YaST::HTTPDData.CreateListen(
        Builtins.tointeger(Ops.get_string(l, "PORT", "0")),
        Builtins.tointeger(Ops.get_string(l, "PORT", "0")),
        Ops.get_string(l, "ADDRESS", "")
      )
    end
  end

  # setup hosts
  #    foreach (string host, list<map<string, any> > desc, s["hosts"]:$[], ``{ YaST::HTTPDData::CreateHost(host,desc); }); // check host name
  Builtins.foreach(Ops.get_list(s, "hosts", [])) do |row|
    YaST::HTTPDData.CreateHost(
      Ops.get_string(row, "KEY", ""),
      Ops.get_list(row, "VALUE", [])
    )
  end # check host name

  # setup service
  if Builtins.haskey(s, "service")
    YaST::HTTPDData.ModifyService(Ops.get_boolean(s, "service", false))
  end

  @modified = false
  @configured = true

  true
end

- (Object) isWizardMode



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# File '../../src/modules/HttpServer.rb', line 81

def isWizardMode
  if {} ==
      SCR.Read(
        path(".target.stat"),
        Ops.add(Directory.vardir, "/http_server")
      )
    return true
  else
    return false
  end
end

- (Object) main



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# File '../../src/modules/HttpServer.rb', line 16

def main
  Yast.import "UI"
  textdomain "http-server"

  Yast.import "YaPI::HTTPD"
  Yast.import "YaST::HTTPDData"
  Yast.import "NetworkInterfaces"
  Yast.import "Progress"
  Yast.import "Report"
  Yast.import "Package"
  Yast.import "Service"
  Yast.import "Summary"
  Yast.import "Message"
  Yast.import "Directory"
  Yast.import "Popup"
  Yast.import "DnsServerAPI"
  Yast.import "NetworkService"
  Yast.import "SuSEFirewall"
  Yast.import "Confirm"
  Yast.import "SuSEFirewallServices"
  Yast.import "FileChanges"

  # Abort function
  # return boolean return true if abort
  @AbortFunction = nil

  # Required packages
  @required_packages = ["apache2"]

  # Data was modified?
  @modified = false

  @configured = false

  @proposal_valid = false

  # Write only, used during autoinstallation.
  # Don't run services and SuSEconfig, it's all done at one place.
  @write_only = false

  @configured_dns = false

  Yast.include self, "http-server/routines.rb"

  # Mapping of IPs to network devices
  @ip2device = {}



  @files_to_check = [
    "/etc/sysconfig/apache2",
    "/etc/apache2/default-server.conf",
    "/etc/apache2/httpd.conf",
    "/etc/apache2/listen.conf",
    "/etc/apache2/vhosts.d/yast2_vhosts.conf"
  ]
end

- (Object) Modified

Data was modified?

Returns:

  • true if modified



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# File '../../src/modules/HttpServer.rb', line 76

def Modified
  Builtins.y2debug("modified=%1", @modified)
  @modified
end

- (Object) Read

Read all http-server settings

Returns:

  • true on success



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# File '../../src/modules/HttpServer.rb', line 114

def Read
  # HttpServer read dialog caption
  caption = _("Initializing HTTP Server Configuration")

  steps = 4

  # We do not set help text here, because it was set outside
  Progress.New(
    caption,
    " ",
    steps,
    [
      # translators: progress stage
      _("Check the environment"),
      # translators: progress stage
      _("Read Apache2 configuration"),
      # translators: progress stage
      _("Read network configuration")
    ],
    [
      # translators: progress step
      _("Checking the environment..."),
      # translators: progress step
      _("Reading Apache2 configuration..."),
      # translators: progress step
      _("Reading network configuration..."),
      # translators: progress finished
      _("Finished")
    ],
    ""
  )

  # check the environment
  return false if !Confirm.MustBeRoot
  return false if !NetworkService.RunningNetworkPopup

  return false if !NetworkService.ConfirmNetworkManager
  Progress.NextStep


  # check rpms
  required = deep_copy(@required_packages)
  if !Package.InstalledAny(
      ["apache2-prefork", "apache2-metuxmpm", "apache2-worker"]
    )
    # add a default MPM - prefork because of the PHP4 compatibility
    required = Convert.convert(
      Builtins.union(required, ["apache2-prefork"]),
      :from => "list",
      :to   => "list <string>"
    )
  end

  if !Package.InstallAllMsg(
      required,
      # notification about package needed 1/2
      _(
        "<p>To configure the HTTP server, the <b>%1</b> packages must be installed.</p>"
      ) +
        # notification about package needed 2/2
        _("<p>Do you want to install it now?</p>")
    )
    if !Package.Available("apache2")
      # translators: error popup before aborting the module
      Popup.Error(
        Builtins.sformat(
          _(
            "The package %1 is not available.\n" +
              "\n" +
              "Configuration cannot continue\n" +
              "\n" +
              "without installing the package."
          ),
          "apache2"
        )
      )
    else
      # translators: error popup before aborting the module
      Popup.Error(Message.CannotContinueWithoutPackagesInstalled)
    end

    return false
  end



  Progress.NextStep


  # check httpd.conf
  if SCR.Read(path(".target.lstat"), "/etc/apache2/httpd.conf") == {}
    # translators: error message, %1 is the file name of expected configuration file
    Report.Error(
      Builtins.sformat(
        _("The configuration file '%1' does not exist."),
        "/etc/apache2/httpd.conf"
      )
    )
    return false
  end

  # check sysconfig
  if SCR.Read(path(".target.lstat"), "/etc/sysconfig/apache2") == {}
    if SCR.Execute(
        path(".target.bash"),
        "cp /var/adm/fillup-templates/sysconfig.apache2 /etc/sysconfig/apache2"
      ) != 0
      # translators:: error message
      Report.Error(Message.CannotWriteSettingsTo("/etc/sysconfig/apache2"))
      return false
    end
  end

  # check listen.conf
  if SCR.Read(path(".target.lstat"), "/etc/apache2/listen.conf") == {}
    # translators: warning message, %1 is the file name of expected configuration file
    Report.Warning(
      Builtins.sformat(
        _("The configuration file '%1' does not exist."),
        "/etc/apache2/listen.conf"
      )
    )
    # create empty file
    if !SCR.Write(path(".target.string"), "/etc/apache2/listen.conf", "")
      # translators:: error message
      Report.Error(
        Message.CannotWriteSettingsTo("/etc/apache2/listen.conf")
      )
      return false
    end
  end

  Progress.set(false) #off();
  SuSEFirewall.Read
  if Package.Installed("bind")
    if Ops.greater_than(
        Builtins.size(
          Convert.to_map(
            SCR.Read(
              path(".target.stat"),
              Ops.add(Directory.vardir, "/dns_server")
            )
          )
        ),
        0
      )
      if Service.Status("named") == 0
        @configured_dns = true if DnsServerAPI.Read
      else
        Builtins.y2milestone(
          _("There is no DNS server running on this machine.")
        )
      end
    else
      Builtins.y2warning("DNS server is not correctly configured via YaST.")
    end
  else
    Builtins.y2warning("Package bind is not installed.")
  end
  Builtins.y2internal("DNS running and configured: %1", @configured_dns)
  Progress.set(true) #on();

  # read current settings from httpd.conf and sysconfig
  Progress.NextStage

  # read hosts
  YaST::HTTPDData.ReadHosts
  YaST::HTTPDData.ReadListen
  YaST::HTTPDData.ReadModules
  YaST::HTTPDData.ReadService

  return false if !FileChanges.CheckFiles(@files_to_check)

  # check the modules RPMs
  modules = YaST::HTTPDData.GetModuleList
  Builtins.y2milestone("Testing packages for %1", modules)

  Builtins.foreach(modules) do |mod|
    pkgs = YaST::HTTPDData.GetPackagesForModule(mod)
    if Ops.greater_than(Builtins.size(pkgs), 0)
      Yast.import "Package"
      Builtins.y2milestone("Checking packages %1 for module %2", pkgs, mod)

      res = Builtins.find(pkgs) { |pkg| !Package.Installed(pkg) }

      if res != nil
        Builtins.y2milestone(
          "Packages not installed (missing %1), setting %2 as disabled",
          res,
          mod
        )
        YaST::HTTPDData.ModifyModuleList([mod], false)
      end
    end
  end

  Progress.NextStage

  # read current settings for firewall and network
  Progress.set(false) #off();
  NetworkInterfaces.Read

  # generate the map: static IP -> device
  @ip2device = { "127.0.0.1" => "loopback" }
  devs = NetworkInterfaces.Locate("BOOTPROTO", "static")
  Builtins.foreach(devs) do |dev|
    # use also additional addresses (#264393)
    Builtins.foreach(NetworkInterfaces.GetIP(dev)) do |ip|
      Ops.set(@ip2device, ip, dev) if ip != nil && ip != ""
    end
  end
  # add DHCP ones, if we can find out the current IP
  devs = NetworkInterfaces.Locate("BOOTPROTO", "dhcp")
  Builtins.foreach(devs) do |dev|
    output = Convert.to_map(
      SCR.Execute(
        path(".target.bash_output"),
        Ops.add("/sbin/ifconfig ", dev),
        { "LC_MESSAGES" => "C" }
      )
    )
    if Ops.get_integer(output, "exit", -1) == 0
      # lookup the correct line first
      line = Builtins.splitstring(
        Ops.get_string(output, "stdout", ""),
        "\n"
      )
      addr = nil
      Builtins.foreach(line) do |ln|
        if Builtins.regexpmatch(ln, "^[ \t]*inet addr:")
          addr = Builtins.regexpsub(
            ln,
            "^[ \t]*inet addr:([0-9\\.]+)[ \t]*",
            "\\1"
          )
          Builtins.y2milestone("Found addr: %1", addr)
          raise Break
        end
      end

      Ops.set(@ip2device, addr, dev) if addr != nil && addr != ""
    end
  end

  Builtins.y2milestone(
    "Mapping of IP addresses and network devices: %1",
    @ip2device
  )


  Progress.set(true) #on();

  # translators: progress step
  ProgressNextStage(_("Finished"))

  return false if Abort()
  @modified = false

  @configured = true

  true
end

- (Object) setWizardMode(w_mode)



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# File '../../src/modules/HttpServer.rb', line 93

def setWizardMode(w_mode)
  if w_mode == true
    SCR.Execute(
      path(".target.bash"),
      Builtins.sformat("rm %1%2", Directory.vardir, "/http_server")
    )
    Builtins.y2milestone("Set wizard mode on")
  else
    SCR.Write(
      path(".target.string"),
      Ops.add(Directory.vardir, "/http_server"),
      ""
    )
    Builtins.y2milestone("Set wizard mode off")
  end

  nil
end

- (Object) Summary

Create a textual summary for the current configuration

Returns:

  • summary of the current configuration



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# File '../../src/modules/HttpServer.rb', line 672

def Summary
  nc = Summary.NotConfigured

  summary = ""
  if @configured
    # "Listen on " information (interfaces, port)
    summary = Summary.AddLine(summary, _("<h3>Listen On</h3>"))
    port = "80"
    interfaces = "127.0.0.1"
    Builtins.foreach(YaST::HTTPDData.GetCurrentListen) do |listens|
      port = Ops.get_string(listens, "PORT", "80")
      if Ops.get_string(listens, "ADDRESS", "") == ""
        interfaces = "all"
      else
        interfaces = Ops.add(
          interfaces,
          Ops.get_string(listens, "ADDRESS", "")
        )
      end
    end
    summary = Summary.AddLine(
      summary,
      Ops.add(Ops.add(interfaces, ", port "), port)
    )

    # "Default host" information
    summary = Summary.AddLine(summary, _("<h3>Default Host</h3>"))
    serv_name = ""
    doc_root = ""
    ssl = false
    Builtins.foreach(YaST::HTTPDData.GetHost("default")) do |params|
      if Ops.get_string(params, "KEY", "") == "ServerName"
        serv_name = Ops.get_string(params, "VALUE", "")
      end
      if Ops.get_string(params, "KEY", "") == "DocumentRoot"
        doc_root = Ops.get_string(params, "VALUE", "")
      end
      if Ops.get_string(params, "KEY", "") == "SSL" &&
          Ops.get_string(params, "VALUE", "") != "0"
        ssl = true
      end
    end
    #translators: assiciation server name with document root
    summary = Summary.AddLine(
      summary,
      Ops.add(Ops.add(serv_name, _(" in ")), doc_root)
    )
    #translators: whether SSL is enabled or disabled
    summary = Summary.AddLine(
      summary,
      "SSL " + (ssl ? _("enabled") : _("disabled"))
    )

    # the same information as in default host but for other virtual hosts
    summary = Summary.AddLine(summary, _("<h3>Virtual Hosts</h3>"))

    Builtins.foreach(YaST::HTTPDData.GetHostsList) do |host|
      next if host == "default"
      Builtins.foreach(YaST::HTTPDData.GetHost(host)) do |params|
        if Ops.get_string(params, "KEY", "") == "ServerName"
          serv_name = Ops.get_string(params, "VALUE", "")
        end
        if Ops.get_string(params, "KEY", "") == "DocumentRoot"
          doc_root = Ops.get_string(params, "VALUE", "")
        end
        if Ops.get_string(params, "KEY", "") == "SSL" &&
            Ops.get_string(params, "VALUE", "") != "0"
          ssl = true
        end
      end
      #translators: assiciation server name with document root
      summary = Summary.AddLine(
        summary,
        Ops.add(
          Ops.add(
            Ops.add(Ops.add(serv_name, _(" in ")), doc_root),
            #translators: whether SSL is enabled or disable
            ", SSL "
          ),
          ssl ? _("enabled") : _("disabled")
        )
      )
    end
  else
    summary = Summary.AddLine(summary, nc)
  end

  [summary, []]
end

- (Object) Write

Write all http-server settings

Returns:

  • true on success



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# File '../../src/modules/HttpServer.rb', line 379

def Write
  # HttpServer read dialog caption
  caption = _("Saving HTTP Server Configuration")

  steps = 2

  # We do not set help text here, because it was set outside
  Progress.New(
    caption,
    " ",
    steps,
    [
      # translators: progress stage 1/3
      _("Write the Apache2 settings"),
      YaST::HTTPDData.GetService ?
        # translators: progress stage 2/3
        _("Enable Apache2 service") :
        # translators: progress stage 3/3
        _("Disable Apache2 service")
    ],
    [
      # translators: progress step 1/3
      _("Writing the settings..."),
      YaST::HTTPDData.GetService ?
        # translators: progress step 2/3
        _("Enabling Apache2 service...") :
        # translators: progress step 3/3
        _("Disabling Apache2 service..."),
      # translators: progress finished
      _("Finished")
    ],
    ""
  )

  # write Apache2 settings

  rpms = YaPI::HTTPD.GetModulePackages

  # install required RPMs for modules
  Package.InstallAllMsg(
    rpms,
    _(
      "The enabled modules require\n" +
        "installation of some of these additional packages:\n" +
        "%1\n" +
        "Install them now?\n"
    )
  )

  # write httpd.conf

  # write hosts
  YaST::HTTPDData.WriteHosts
  Progress.NextStage
  Yast.import "SuSEFirewall"
  Progress.set(false) #    Progress::off ();

  # always adapt firewall
  if YaST::HTTPDData.WriteListen(false) == nil
    # FIXME: show popup

    Builtins.y2error("Writing listen failed, firewall problems?")
  end

  # Firewall
  ports = []
  Builtins.foreach(YaST::HTTPDData.GetCurrentListen) do |row|
    ports = Builtins.add(ports, Ops.get_string(row, "PORT", ""))
  end
  SuSEFirewallServices.SetNeededPortsAndProtocols(
    "service:apache2",
    { "tcp_ports" => ports, "udp_ports" => [] }
  )

  SuSEFirewall.Write
  DnsServerAPI.Write if @configured_dns
  Progress.set(true)
  YaST::HTTPDData.WriteModuleList
  # in autoyast, quit here
  # Wrong, service still has to be enabled...
  # if( write_only ) return true;


  Progress.NextStage

  if !YaST::HTTPDData.WriteService(@write_only)
    # translators: error message
    Report.Error(Message.CannotAdjustService("apache2"))
  end

  if YaST::HTTPDData.GetService
    # this will reload the configuration and start httpd
    if !Service.Restart("apache2")
      # translators: error message
      Report.Error(Message.CannotAdjustService("apache2"))
    end
  else
    if !Service.Stop("apache2")
      # translators: error message
      Report.Error(Message.CannotAdjustService("apache2"))
    end
  end
  # configuration test
  #	map<string, any> test = (map<string, any>)SCR::Execute(.target.bash_output, "apache2ctl conftest");
  #y2internal("test %1", test);

  Builtins.foreach(@files_to_check) do |file|
    FileChanges.StoreFileCheckSum(file)
  end
  # translators: progress finished
  ProgressNextStage(_("Finished"))

  return false if Abort()
  true
end