# StatefulHttpClient.java

    /*
    ** Module   : StatefulHttpClient.java
    ** Abstract : Implementation of the builtin class.
    **
    ** Copyright (c) 2019-2023, Golden Code Development Corporation.
    **
    ** -#- -I- --Date-- ---------------------------------------Description----------------------------------------
    ** 001 IAS  20190923 First version.
    ** 002 ME   20200410 Added getter/setter methods for cookie jar.
    ** 003 MP   20200603 add constructors and methods like originar class.
    ** 004 ME   20201103 Implement cookie support OE12.2.
    **     CA   20210221 Fixed parameters at the LegacySignature annotation.
    ** 005 CA   20210221 Fixed 'qualified', 'extent' and 'returns' annotations at the legacy signature.
    **     CA  20220120 Do not used TypeFactory.object when the OO reference must not be tracked or registered.
    **                  Do not use TypeFactory.object for internal usages, use ObjectVar if the reference must
    **                  be tracked.
    **                  All TypeFactory.object variable definitions must be done outside of the top-level block.
    **     CA  20220923 Variable definitions (including associated with parameters) must be done always outside of
    **                  the BlockManager API
    ** 006 CA  20231113 The 'execute' method must be annotated with LegacySignature Type.Execute, and also can be
    **                  dropped if is a no-op.
    */

    /*
    ** This program is free software: you can redistribute it and/or modify
    ** it under the terms of the GNU Affero General Public License as
    ** published by the Free Software Foundation, either version 3 of the
    ** License, or (at your option) any later version.
    **
    ** This program is distributed in the hope that it will be useful,
    ** but WITHOUT ANY WARRANTY; without even the implied warranty of
    ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    ** GNU Affero General Public License for more details.
    **
    ** You may find a copy of the GNU Affero GPL version 3 at the following
    ** location: https://www.gnu.org/licenses/agpl-3.0.en.html
    **
    ** Additional terms under GNU Affero GPL version 3 section 7:
    **
    **   Under Section 7 of the GNU Affero GPL version 3, the following additional
    **   terms apply to the works covered under the License.  These additional terms
    **   are non-permissive additional terms allowed under Section 7 of the GNU
    **   Affero GPL version 3 and may not be removed by you.
    **
    **   0. Attribution Requirement.
    **
    **     You must preserve all legal notices or author attributions in the covered
    **     work or Appropriate Legal Notices displayed by works containing the covered
    **     work.  You may not remove from the covered work any author or developer
    **     credit already included within the covered work.
    **
    **   1. No License To Use Trademarks.
    **
    **     This license does not grant any license or rights to use the trademarks
    **     Golden Code, FWD, any Golden Code or FWD logo, or any other trademarks
    **     of Golden Code Development Corporation. You are not authorized to use the
    **     name Golden Code, FWD, or the names of any author or contributor, for
    **     publicity purposes without written authorization.
    **
    **   2. No Misrepresentation of Affiliation.
    **
    **     You may not represent yourself as Golden Code Development Corporation or FWD.
    **
    **     You may not represent yourself for publicity purposes as associated with
    **     Golden Code Development Corporation, FWD, or any author or contributor to
    **     the covered work, without written authorization.
    **
    **   3. No Misrepresentation of Source or Origin.
    **
    **     You may not represent the covered work as solely your work.  All modified
    **     versions of the covered work must be marked in a reasonable way to make it
    **     clear that the modified work is not originating from Golden Code Development
    **     Corporation or FWD.  All modified versions must contain the notices of
    **     attribution required in this license.
    */

    package com.goldencode.p2j.oo.net.http;

    import com.goldencode.p2j.util.*;
    import com.goldencode.p2j.util.BlockManager.Action;
    import com.goldencode.p2j.util.BlockManager.Condition;
    import com.goldencode.p2j.util.InternalEntry.Type;

    import static com.goldencode.p2j.report.ReportConstants.*;
    import static com.goldencode.p2j.util.BlockManager.externalProcedure;
    import static com.goldencode.p2j.util.BlockManager.function;
    import static com.goldencode.p2j.util.BlockManager.internalProcedure;
    import static com.goldencode.p2j.util.BlockManager.onBlockLevel;
    import static com.goldencode.p2j.util.BlockManager.returnNormal;

    import com.goldencode.p2j.oo.core.Assert;
    import com.goldencode.p2j.oo.net.Uri;

    /**
     * Http client with support for cookies
     *
     */
    @LegacyResource(resource = "OpenEdge.Net.HTTP.StatefulHttpClient")
    @LegacyResourceSupport(supportLvl = CVT_LVL_FULL | RT_LVL_FULL)
    public class StatefulHttpClient extends HttpClientDecorator implements ISupportCookies
    {

       /** Cookie Jar **/
       @LegacySignature(type = Type.PROPERTY, name = "CookieJar")
       @LegacyResourceSupport(supportLvl = CVT_LVL_FULL | RT_LVL_FULL)
       private final object<? extends ICookieJar> cookieJar = TypeFactory.object(ICookieJar.class);

       @LegacySignature(type = Type.METHOD, name = "Execute", parameters = {
                @LegacyParameter(name = "poRequest", type = "OBJECT", qualified = "openedge.net.http.ihttprequest", mode = "INPUT"),
                @LegacyParameter(name = "poResponse", type = "OBJECT", qualified = "openedge.net.http.ihttpresponse", mode = "INPUT") })
       @LegacyResourceSupport(supportLvl = CVT_LVL_FULL | RT_LVL_FULL)
       @Override
       public void execute(
                final object<? extends com.goldencode.p2j.oo.net.http.IhttpRequest> _poRequest,
                final object<? extends com.goldencode.p2j.oo.net.http.IhttpResponse> _poResponse)
       {
          object<? extends com.goldencode.p2j.oo.net.http.IhttpRequest> poRequest = TypeFactory
                   .initInput(_poRequest);
          object<? extends com.goldencode.p2j.oo.net.http.IhttpResponse> poResponse = TypeFactory
                   .initInput(_poResponse);
          object<? extends Uri> oUri = TypeFactory.object(Uri.class);
          object<? extends Cookie> oCookies[][] = new object[][] { TypeFactory.objectExtent(Cookie.class, false) };

          internalProcedure(StatefulHttpClient.class, this, "Execute", new Block((Body) () -> {

             oUri.assign(poRequest.ref().getUri());
             // check if there are cookies in jar for request url
             cookieJar.ref().getCookies(oUri, new OutputExtentParameter<object<? extends Cookie>>()
             {

                @Override
                public object<? extends Cookie>[] getVariable()
                {
                   return oCookies[0];
                }

                @Override
                public void setVariable(object<? extends Cookie>[] reference)
                {
                   oCookies[0] = reference;
                }
             });

             // if there are any set those on request
             if (oCookies[0].length > 0)
                poRequest.ref().setCookies(oCookies[0]);

             oCookies[0] = ArrayAssigner.resize(oCookies[0], new integer());

             getDecoratedHttpClient().ref().execute(poRequest, poResponse);

             // if we have cookies set in response save those in jar
             poResponse.ref().getCookies(new OutputExtentParameter<object<? extends Cookie>>()
             {

                @Override
                public object<? extends Cookie>[] getVariable()
                {
                   return oCookies[0];
                }

                @Override
                public void setVariable(object<? extends Cookie>[] reference)
                {
                   oCookies[0] = reference;
                }
             });

             if (oCookies[0].length > 0) {

                String host = oUri.ref().getHost().getValue().toLowerCase();

                for (object<? extends Cookie> cookie : oCookies[0])
                {
                   // RFC6265 - defaults and domain validation
                   character cpath = TextOps.isEmpty(cookie.ref().getPath()) ? oUri.ref().getPath() : cookie.ref().getPath();
                   character cdomain = TextOps.isEmpty(cookie.ref().getDomain()) ? oUri.ref().getHost() : cookie.ref().getDomain();

                   String domain = cdomain.getValue().toLowerCase();
                   if (domain.startsWith("."))
                      domain = domain.substring(1);

                   if (domain.equals(host) || host.endsWith("." + domain))
                      cookieJar.ref().addCookie(cdomain, cpath, cookie);
                }
             }

          }));
       }

       @LegacySignature(type = Type.EXECUTE)
       public void __net_http_StatefulHttpClient_execute__()
       {
          onBlockLevel(Condition.ERROR, Action.THROW);
       }

       @LegacySignature(type = Type.CONSTRUCTOR, parameters = {
                @LegacyParameter(name = "poClient", type = "OBJECT", qualified = "openedge.net.http.ihttpclient", mode = "INPUT"),
                @LegacyParameter(name = "poCookieJar", type = "OBJECT", qualified = "openedge.net.http.icookiejar", mode = "INPUT") })
       @LegacyResourceSupport(supportLvl = CVT_LVL_FULL | RT_LVL_FULL)
       public void __net_http_StatefulHttpClient_constructor__(
                final object<? extends com.goldencode.p2j.oo.net.http.IhttpClient> _poClient,
                final object<? extends com.goldencode.p2j.oo.net.http.ICookieJar> _poCookieJar)
       {
          object<? extends com.goldencode.p2j.oo.net.http.ICookieJar> poCookieJar = TypeFactory
                   .initInput(_poCookieJar);

          internalProcedure(StatefulHttpClient.class, this,
                   "__net_http_StatefulHttpClient_constructor__", new Block((Body) () -> {
                      __net_http_HttpClientDecorator_constructor__(_poClient);

                      Assert.notNull(poCookieJar);
                      cookieJar.assign(poCookieJar);
                   }));
       }

       @LegacySignature(type = Type.CONSTRUCTOR, parameters = {
                @LegacyParameter(name = "poClient", type = "OBJECT", qualified = "openedge.net.http.ihttpclient", mode = "INPUT") })
       @LegacyResourceSupport(supportLvl = CVT_LVL_FULL | RT_LVL_FULL)
       public void __net_http_StatefulHttpClient_constructor__(
                final object<? extends com.goldencode.p2j.oo.net.http.IhttpClient> _poClient)
       {
          internalProcedure(StatefulHttpClient.class, this,
                   "__net_http_StatefulHttpClient_constructor__", new Block((Body) () -> {
                      __net_http_HttpClientDecorator_constructor__(_poClient);
                   }));
       }

       /**
        * Get cookie storage.
        *
        * @return cookie jar.
        */
       @LegacySignature(returns = "OBJECT", qualified = "OpenEdge.Net.HTTP.ICookieJar", type = Type.GETTER, name = "CookieJar")
       @LegacyResourceSupport(supportLvl = CVT_LVL_FULL | RT_LVL_FULL)
       @Override
       public object<? extends com.goldencode.p2j.oo.net.http.ICookieJar> getCookieJar()
       {
          return function(this, "CookieJar", object.class, new Block((Body) () -> {
             returnNormal(cookieJar);
          }));
       }

       /**
        * Set cookie storage.
        *
        * @param _cookieJar The cookie jar.
        */
       @LegacySignature(type = Type.SETTER, name = "CookieJar", parameters =
       {
          @LegacyParameter(name = "cookieJar", type = "OBJECT", mode = "INPUT", qualified = "OpenEdge.Net.HTTP.ICookieJar")
       })
       @LegacyResourceSupport(supportLvl = CVT_LVL_FULL | RT_LVL_FULL)
       public void setCookieJar(
                object<? extends com.goldencode.p2j.oo.net.http.ICookieJar> _cookieJar)
       {
          object<? extends ICookieJar> cookieJar = TypeFactory.initInput(_cookieJar);

          internalProcedure(this, "CookieJar", new Block((Body) () -> {
             this.cookieJar.assign(cookieJar);
          }));

       }

    }