Compare CRUD (OLS) for a profile in 2 different environment

gistfile1.txt

string sourceOrgDomainURL = 'https://xxxxzzzxxxxx.salesforce.com';
string sourceOrgSessionId = UserInfo.getSessionID(); //specify source org sessionid URL
string targetOrgDomainURL = 'https://xxxvvvvvxxxxx.salesforce.com';
//specify target org sessionid or access_token
string targetOrgSessionId ='00DxxxxxxxxxxxxxxxxxxxxeeeeeeeeeeeeezzzzzzzxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxbMD7q__aWFV3XmO3CNLdyqsY'; 
string profileName = 'System Administrator';
profileName = profileName.replaceAll(' ','+');

//First fetch CRUD permission for profile from Source Org
string sourceEndPointURL = sourceOrgDomainURL+'/services/data/v48.0/query/?q=SELECT+Id,ParentId,SobjectType,PermissionsCreate,PermissionsRead,PermissionsEdit,PermissionsDelete,PermissionsViewAllRecords,PermissionsModifyAllRecords+FROM+ObjectPermissions+WHERE+ParentId+IN+(SELECT+PermissionSetId+FROM+PermissionSetAssignment+WHERE+PermissionSet.Profile.Name=\''+profileName+'\')+ORDER+BY+SobjectType';
system.debug('***sourceEndPointURL:'+sourceEndPointURL);
HttpRequest reqForSourceOrg = new HttpRequest();
reqForSourceOrg.setHeader('Authorization', 'Bearer ' + sourceOrgSessionId);
reqForSourceOrg.setHeader('Content-Type', 'application/json');
reqForSourceOrg.setEndpoint(sourceEndPointURL);
reqForSourceOrg.setMethod('GET');
Http h = new Http();
HttpResponse resFromSourceOrg = h.send(reqForSourceOrg);
system.debug('***response from sorce org:'+resFromSourceOrg.getBody()); 
String response=resFromSourceOrg.getBody();
List<OLSWrapper> sourceOrgOLSList = new List<OLSWrapper>();
sourceOrgOLSList = parseOLSJSON(response);

system.debug('****sourceOrgOLSList size:'+sourceOrgOLSList.size());
//create Map with object and OLS settings
Map<string,OLSWrapper> sourceOrgObjOLSWMap = new Map<string,OLSWrapper>();
for(OLSWrapper olsv : sourceOrgOLSList){
	sourceOrgObjOLSWMap.put(olsv.SobjectType,olsv);
}
system.debug('****sourceOrgObjOLSWMap size:'+sourceOrgObjOLSWMap.size());

//Now fetch CRUD permission for profile from target Org
string targetEndPointURL = targetOrgDomainURL+'/services/data/v48.0/query/?q=SELECT+Id,ParentId,SobjectType,PermissionsCreate,PermissionsRead,PermissionsEdit,PermissionsDelete,PermissionsViewAllRecords,PermissionsModifyAllRecords+FROM+ObjectPermissions+WHERE+ParentId+IN+(SELECT+PermissionSetId+FROM+PermissionSetAssignment+WHERE+PermissionSet.Profile.Name=\''+profileName+'\')+ORDER+BY+SobjectType';
system.debug('********targetEndPointURL:'+targetEndPointURL);
HttpRequest reqForTargetOrg = new HttpRequest();
reqForTargetOrg.setHeader('Authorization', 'Bearer ' + targetOrgSessionId);
reqForTargetOrg.setHeader('Content-Type', 'application/json');
reqForTargetOrg.setEndpoint(targetEndPointURL);
reqForTargetOrg.setMethod('GET');
h = new Http();
HttpResponse resFromTargetOrg = h.send(reqForTargetOrg);
system.debug('***response from target org:'+resFromTargetOrg.getBody()); 
response=resFromTargetOrg.getBody();
List<OLSWrapper> targetOLSList = new List<OLSWrapper>();
targetOLSList = parseOLSJSON(response);
system.debug('****targetOLSList size:'+targetOLSList.size());

//create Map with object and OLS settings
Map<string,OLSWrapper> targetOrgObjOLSWMap = new Map<string,OLSWrapper> ();
for(OLSWrapper olsv : targetOLSList){
	targetOrgObjOLSWMap.put(olsv.SobjectType,olsv);
}
system.debug('****targetOrgObjOLSWMap size:'+targetOrgObjOLSWMap.size());


//now send result in csv format
string csvString ='Object Name,Source-Create,Source-Read,Source-Edit,Source-Delete,Source-View All,Source-Modify All All,Target-Create,Target-Read,Target-Edit,Target-Delete,Target-View All,Target-Modify All\n';

for(string objName : sourceOrgObjOLSWMap.keyset()){
    system.debug('***objName:'+ objName);
	OLSWrapper sOLSp = sourceOrgObjOLSWMap.get(objName);
	OLSWrapper tOLSp = targetOrgObjOLSWMap.get(objName);
	if(targetOrgObjOLSWMap.get(objName)!=null){
		csvString = csvString + sOLSp.SobjectType + ',' +sOLSp.PermissionsCreate + ','+sOLSp.PermissionsRead + ',' + sOLSp.PermissionsEdit + ',' + sOLSp.PermissionsDelete + ','+sOLSp.PermissionsViewAllRecords + ',' + sOLSp.PermissionsModifyAllRecords;
		csvString = csvString + ',' +tOLSp.PermissionsCreate + ','+tOLSp.PermissionsRead + ',' + tOLSp.PermissionsEdit + ',' + tOLSp.PermissionsDelete + ','+tOLSp.PermissionsViewAllRecords + ',' + tOLSp.PermissionsModifyAllRecords +'\n';
	}else{
		csvString = csvString + sOLSp.SobjectType + ',' +sOLSp.PermissionsCreate + ','+sOLSp.PermissionsRead + ',' + sOLSp.PermissionsEdit + ',' + sOLSp.PermissionsDelete + ','+sOLSp.PermissionsViewAllRecords + ',' + sOLSp.PermissionsModifyAllRecords +'\n';
	}
}
//specify permissions which are in target org but not in source org
for(string objName : targetOrgObjOLSWMap.keyset()){
	if(sourceOrgObjOLSWMap.get(objName)==null){
		OLSWrapper tOLSp = targetOrgObjOLSWMap.get(objName);
		csvString = csvString + tOLSp.SobjectType + ',,,,,,,' +tOLSp.PermissionsCreate + ','+tOLSp.PermissionsRead + ',' + tOLSp.PermissionsEdit + ',' + tOLSp.PermissionsDelete + ','+tOLSp.PermissionsViewAllRecords + ',' + tOLSp.PermissionsModifyAllRecords +'\n';
	}
}

system.debug('***csvString:'+csvString);
Messaging.EmailFileAttachment csvAtt = new Messaging.EmailFileAttachment();
blob csvBlob = Blob.valueOf(csvString);
string csvFileName= profileName + ' : CRUD (OLS) permission comparison.csv';
csvAtt.setFileName(csvFileName);
csvAtt.setBody(csvBlob);

Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
List<string> toAddresses= new List<string>{UserInfo.getUserEmail()};
mail.setToAddresses(toAddresses);
mail.setSaveAsActivity(false);
mail.setSubject(profileName + ' : CRUD (OLS) permission comparison-'+system.now());  
mail.setPlainTextBody(sourceOrgDomainURL + ' and ' + targetOrgDomainURL + 'CRUD (OLS) comparison for ' + profileName); 
mail.setFileAttachments(new Messaging.EmailFileAttachment[]{csvAtt});
Messaging.sendEmail(new Messaging.SingleEmailMessage[] { mail });



public static List<OLSWrapper> parseOLSJSON(string Response){
	List<OLSWrapper> OLSList = new List<OLSWrapper>();
	JSONParser  parser = JSON.createParser(Response);
	OLSWrapper olsp ;
	while (parser.nextToken() != null) {
		if ((parser.getCurrentToken() == JSONToken.FIELD_NAME)){
			String fieldName = parser.getText();
			if(fieldName == 'SobjectType'){
				olsp = new OLSWrapper();
				parser.nextToken();
				olsp.SobjectType=parser.getText();
			}else if(fieldName == 'PermissionsCreate')  {
				parser.nextToken();
				olsp.PermissionsCreate=parser.getText();
			}else if(fieldName == 'PermissionsRead')  {
				parser.nextToken();
				olsp.PermissionsRead=parser.getText();
			}else if(fieldName == 'PermissionsEdit')  {
				parser.nextToken();
				olsp.PermissionsEdit=parser.getText();
			}else if(fieldName == 'PermissionsDelete')  {
				parser.nextToken();
				olsp.PermissionsDelete=parser.getText();
			}else if(fieldName == 'PermissionsViewAllRecords')  {
				parser.nextToken();
				olsp.PermissionsViewAllRecords=parser.getText();
			}else if(fieldName == 'PermissionsModifyAllRecords')  {
				parser.nextToken();
				olsp.PermissionsModifyAllRecords=parser.getText();
				OLSList.add(olsp);
			}
		}
	}
    return OLSList;
}

public class OLSWrapper{
	public string SobjectType;
	public string PermissionsCreate;
	public string PermissionsRead;
	public string PermissionsEdit;
	public string PermissionsDelete;
	public string PermissionsViewAllRecords;
	public string PermissionsModifyAllRecords;
	
}