(Objective-C) RDAP Domain Lookup using rdap.org

Demonstrates doing an RDAP domain lookup using the rdap.org public RDAP server.

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#import <CkoHttp.h>
#import <CkoStringBuilder.h>
#import <CkoJsonObject.h>
#import <NSString.h>

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

CkoHttp *http = [[CkoHttp alloc] init];

// Send HTTP requests to https://rdap.org/<type>/<object>, where <type> is the object type (one of domain, ip, autnum, entity etc)
// and <object> is the object identifier (eg example.com, 192.168.0.1, 64496, etc).

// For example, here's a lookup for "oracle.com"
CkoStringBuilder *sbResponse = [[CkoStringBuilder alloc] init];
BOOL success = [http QuickGetSb: @"https://rdap.org/domain/oracle.com" sbContent: sbResponse];
if (success == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

int statusCode = [http.LastStatus intValue];
if (statusCode != 200) {
    NSLog(@"%@",@"Error response:");
    NSLog(@"%@",[sbResponse GetAsString]);
    NSLog(@"%@%d",@"status code: ",statusCode);
    return;
}

// Load the JSON response and examine..

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json LoadSb: sbResponse];
json.EmitCompact = NO;
NSLog(@"%@",[json Emit]);

// Here's a sample response, and the parsing code generated from the above online tool follows..

// {
//   "objectClassName": "domain",
//   "handle": "607513_DOMAIN_COM-VRSN",
//   "ldhName": "ORACLE.COM",
//   "links": [
//     {
//       "value": "https:\/\/rdap.verisign.com\/com\/v1\/domain\/ORACLE.COM",
//       "rel": "self",
//       "href": "https:\/\/rdap.verisign.com\/com\/v1\/domain\/ORACLE.COM",
//       "type": "application\/rdap+json"
//     },
//     {
//       "value": "https:\/\/rdap.markmonitor.com\/rdap\/domain\/ORACLE.COM",
//       "rel": "related",
//       "href": "https:\/\/rdap.markmonitor.com\/rdap\/domain\/ORACLE.COM",
//       "type": "application\/rdap+json"
//     }
//   ],
//   "status": [
//     "client delete prohibited",
//     "client transfer prohibited",
//     "client update prohibited",
//     "server delete prohibited",
//     "server transfer prohibited",
//     "server update prohibited"
//   ],
//   "entities": [
//     {
//       "objectClassName": "entity",
//       "handle": "292",
//       "roles": [
//         "registrar"
//       ],
//       "publicIds": [
//         {
//           "type": "IANA Registrar ID",
//           "identifier": "292"
//         }
//       ],
//       "vcardArray": [
//         "vcard",
//         [
//           [
//             "version",
//             {},
//             "text",
//             "4.0"
//           ],
//           [
//             "fn",
//             {},
//             "text",
//             "MarkMonitor Inc."
//           ]
//         ]
//       ],
//       "entities": [
//         {
//           "objectClassName": "entity",
//           "roles": [
//             "abuse"
//           ],
//           "vcardArray": [
//             "vcard",
//             [
//               [
//                 "version",
//                 {},
//                 "text",
//                 "4.0"
//               ],
//               [
//                 "fn",
//                 {},
//                 "text",
//                 ""
//               ],
//               [
//                 "tel",
//                 {
//                   "type": "voice"
//                 },
//                 "uri",
//                 "tel:+1.2086851750"
//               ],
//               [
//                 "email",
//                 {},
//                 "text",
//                 "abusecomplaints@markmonitor.com"
//               ]
//             ]
//           ]
//         }
//       ]
//     }
//   ],
//   "events": [
//     {
//       "eventAction": "registration",
//       "eventDate": "1988-12-02T05:00:00Z"
//     },
//     {
//       "eventAction": "expiration",
//       "eventDate": "2025-12-01T05:00:00Z"
//     },
//     {
//       "eventAction": "last changed",
//       "eventDate": "2024-10-30T09:32:52Z"
//     },
//     {
//       "eventAction": "last update of RDAP database",
//       "eventDate": "2024-11-26T14:11:14Z"
//     }
//   ],
//   "secureDNS": {
//     "delegationSigned": false
//   },
//   "nameservers": [
//     {
//       "objectClassName": "nameserver",
//       "ldhName": "A1-160.AKAM.NET"
//     },
//     {
//       "objectClassName": "nameserver",
//       "ldhName": "A11-66.AKAM.NET"
//     },
//     {
//       "objectClassName": "nameserver",
//       "ldhName": "A13-65.AKAM.NET"
//     },
//     {
//       "objectClassName": "nameserver",
//       "ldhName": "A18-67.AKAM.NET"
//     },
//     {
//       "objectClassName": "nameserver",
//       "ldhName": "NS1.P201.DNS.ORACLECLOUD.NET"
//     },
//     {
//       "objectClassName": "nameserver",
//       "ldhName": "NS2.P201.DNS.ORACLECLOUD.NET"
//     },
//     {
//       "objectClassName": "nameserver",
//       "ldhName": "NS3.P201.DNS.ORACLECLOUD.NET"
//     },
//     {
//       "objectClassName": "nameserver",
//       "ldhName": "NS4.P201.DNS.ORACLECLOUD.NET"
//     }
//   ],
//   "rdapConformance": [
//     "rdap_level_0",
//     "icann_rdap_technical_implementation_guide_0",
//     "icann_rdap_response_profile_0"
//   ],
//   "notices": [
//     {
//       "title": "Terms of Use",
//       "description": [
//         "Service subject to Terms of Use."
//       ],
//       "links": [
//         {
//           "href": "https:\/\/www.verisign.com\/domain-names\/registration-data-access-protocol\/terms-service\/index.xhtml",
//           "type": "text\/html"
//         }
//       ]
//     },
//     {
//       "title": "Status Codes",
//       "description": [
//         "For more information on domain status codes, please visit https:\/\/icann.org\/epp"
//       ],
//       "links": [
//         {
//           "href": "https:\/\/icann.org\/epp",
//           "type": "text\/html"
//         }
//       ]
//     },
//     {
//       "title": "RDDS Inaccuracy Complaint Form",
//       "description": [
//         "URL of the ICANN RDDS Inaccuracy Complaint Form: https:\/\/icann.org\/wicf"
//       ],
//       "links": [
//         {
//           "href": "https:\/\/icann.org\/wicf",
//           "type": "text\/html"
//         }
//       ]
//     }
//   ]
// }

NSString *value = 0;
NSString *rel = 0;
NSString *href = 0;
NSString *v_type = 0;
NSString *strVal = 0;
int j;
int count_j;
NSString *identifier = 0;
int k;
int count_k;
CkoJsonObject *json1 = 0;
int i1;
int count_i1;
int j1;
int count_j1;
NSString *eventAction = 0;
NSString *eventDate = 0;
NSString *title = 0;

NSString *objectClassName = [json StringOf: @"objectClassName"];
NSString *handle = [json StringOf: @"handle"];
NSString *ldhName = [json StringOf: @"ldhName"];
BOOL DelegationSigned = [json BoolOf: @"secureDNS.delegationSigned"];
int i = 0;
int count_i = [[json SizeOfArray: @"links"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    value = [json StringOf: @"links[i].value"];
    rel = [json StringOf: @"links[i].rel"];
    href = [json StringOf: @"links[i].href"];
    v_type = [json StringOf: @"links[i].type"];
    i = i + 1;
}

i = 0;
count_i = [[json SizeOfArray: @"status"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    strVal = [json StringOf: @"status[i]"];
    i = i + 1;
}

i = 0;
count_i = [[json SizeOfArray: @"entities"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    objectClassName = [json StringOf: @"entities[i].objectClassName"];
    handle = [json StringOf: @"entities[i].handle"];
    j = 0;
    count_j = [[json SizeOfArray: @"entities[i].roles"] intValue];
    while (j < count_j) {
        json.J = [NSNumber numberWithInt: j];
        strVal = [json StringOf: @"entities[i].roles[j]"];
        j = j + 1;
    }

    j = 0;
    count_j = [[json SizeOfArray: @"entities[i].publicIds"] intValue];
    while (j < count_j) {
        json.J = [NSNumber numberWithInt: j];
        v_type = [json StringOf: @"entities[i].publicIds[j].type"];
        identifier = [json StringOf: @"entities[i].publicIds[j].identifier"];
        j = j + 1;
    }

    j = 0;
    count_j = [[json SizeOfArray: @"entities[i].vcardArray"] intValue];
    while (j < count_j) {
        json.J = [NSNumber numberWithInt: j];
        strVal = [json StringOf: @"entities[i].vcardArray[j]"];
        k = 0;
        count_k = [[json SizeOfArray: @"entities[i].vcardArray[j]"] intValue];
        while (k < count_k) {
            json.K = [NSNumber numberWithInt: k];

            json1 = [json ObjectOf: @"entities[i].vcardArray[j][k]"];
            i1 = 0;
            count_i1 = [[json1 SizeOfArray: @""] intValue];
            while (i1 < count_i1) {
                json1.I = [NSNumber numberWithInt: i1];
                strVal = [json1 StringOf: @"[i]"];
                i1 = i1 + 1;
            }

            k = k + 1;
        }

        j = j + 1;
    }

    j = 0;
    count_j = [[json SizeOfArray: @"entities[i].entities"] intValue];
    while (j < count_j) {
        json.J = [NSNumber numberWithInt: j];
        objectClassName = [json StringOf: @"entities[i].entities[j].objectClassName"];
        k = 0;
        count_k = [[json SizeOfArray: @"entities[i].entities[j].roles"] intValue];
        while (k < count_k) {
            json.K = [NSNumber numberWithInt: k];
            strVal = [json StringOf: @"entities[i].entities[j].roles[k]"];
            k = k + 1;
        }

        k = 0;
        count_k = [[json SizeOfArray: @"entities[i].entities[j].vcardArray"] intValue];
        while (k < count_k) {
            json.K = [NSNumber numberWithInt: k];
            strVal = [json StringOf: @"entities[i].entities[j].vcardArray[k]"];

            json1 = [json ObjectOf: @"entities[i].entities[j].vcardArray[k]"];
            i1 = 0;
            count_i1 = [[json1 SizeOfArray: @""] intValue];
            while (i1 < count_i1) {
                json1.I = [NSNumber numberWithInt: i1];
                j1 = 0;
                count_j1 = [[json1 SizeOfArray: @"[i]"] intValue];
                while (j1 < count_j1) {
                    json1.J = [NSNumber numberWithInt: j1];
                    strVal = [json1 StringOf: @"[i][j]"];
                    j1 = j1 + 1;
                }

                i1 = i1 + 1;
            }

            k = k + 1;
        }

        j = j + 1;
    }

    i = i + 1;
}

i = 0;
count_i = [[json SizeOfArray: @"events"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    eventAction = [json StringOf: @"events[i].eventAction"];
    eventDate = [json StringOf: @"events[i].eventDate"];
    i = i + 1;
}

i = 0;
count_i = [[json SizeOfArray: @"nameservers"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    objectClassName = [json StringOf: @"nameservers[i].objectClassName"];
    ldhName = [json StringOf: @"nameservers[i].ldhName"];
    i = i + 1;
}

i = 0;
count_i = [[json SizeOfArray: @"rdapConformance"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    strVal = [json StringOf: @"rdapConformance[i]"];
    i = i + 1;
}

i = 0;
count_i = [[json SizeOfArray: @"notices"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    title = [json StringOf: @"notices[i].title"];
    j = 0;
    count_j = [[json SizeOfArray: @"notices[i].description"] intValue];
    while (j < count_j) {
        json.J = [NSNumber numberWithInt: j];
        strVal = [json StringOf: @"notices[i].description[j]"];
        j = j + 1;
    }

    j = 0;
    count_j = [[json SizeOfArray: @"notices[i].links"] intValue];
    while (j < count_j) {
        json.J = [NSNumber numberWithInt: j];
        href = [json StringOf: @"notices[i].links[j].href"];
        v_type = [json StringOf: @"notices[i].links[j].type"];
        j = j + 1;
    }

    i = i + 1;
}