feat(core): Add masking support for form-data types request

[bsayak03]

Type of Change

• Bugfix
• New feature
• Enhancement
• Refactoring
• Dependency updates
• Documentation
• CI/CD

Description

Connectors which accept FormData type request, their raw_connector_request weren't being logged. Added masking support and logging form-data type requests.

Additional Changes

• This PR modifies the API contract
• This PR modifies the database schema
• This PR modifies application configuration/environment variables

Motivation and Context

How did you test it?

1. Fiuu Payments Create

cURL:

curl --location 'http://localhost:8080/payments' \
--header 'Content-Type: application/json' \
--header 'Accept: application/json' \
--header 'api-key: dev_GRihX98pcCHFjnBaR1LBMxTLCNAk8Fx214kdchJz984QzWNAZ2ss8esm5XmbSU6u' \
--data-raw '{
    "amount": 2500,
    "currency": "CNY",
    "connector": ["fiuu"],
    "confirm": true,
    "capture_method": "automatic",
    "capture_on": "2022-09-10T10:11:12Z",
    "amount_to_capture": 2500,
    "customer_id": "abcdef",
    "email": "guest@example.com",
    "name": "John Doe",
    "phone": "999999999",
    "phone_country_code": "+65",
    "description": "Its my first payment request",
    "authentication_type": "no_three_ds",
    "return_url": "https://duck.com",
    "payment_method": "card",
    "payment_method_type": "credit",
    "payment_method_data": {
        "card": {
            "card_number": "5105105105105100",
            "card_exp_month": "12",
            "card_exp_year": "2030",
            "card_holder_name": "Max Mustermann",
            "card_cvc": "444"
        }
    },
    "billing": {
        "address": {
            "line1": "1467",
            "line2": "Harrison Street",
            "line3": "Harrison Street",
            "city": "San Fransico",
            "state": "California",
            "zip": "94122",
            "country": "CN",
            "first_name": "joseph",
            "last_name": "Doe"
        },
        "phone": {
            "number": "9123456789",
            "country_code": "+91"
        }
    },
    "shipping": {
        "address": {
            "line1": "1467",
            "line2": "Harrison Street",
            "line3": "Harrison Street",
            "city": "San Fransico",
            "state": "California",
            "zip": "94122",
            "country": "CN",
            "first_name": "joseph",
            "last_name": "Doe"
        },
        "phone": {
            "number": "9123456789",
            "country_code": "+91"
        }
    },
    "statement_descriptor_name": "joseph",
    "statement_descriptor_suffix": "JS",
    "browser_info": {
        "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36",
        "accept_header": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
        "language": "nl-NL",
        "color_depth": 24,
        "screen_height": 723,
        "screen_width": 1536,
        "time_zone": 0,
        "java_enabled": true,
        "java_script_enabled": true,
        "ip_address": "109.71.40.0"
    }
}'

Response:

{
    "payment_id": "pay_aBsJoG8wjpfpbKggSOGN",
    "merchant_id": "merchant_1758103920",
    "status": "succeeded",
    "amount": 2500,
    "net_amount": 2500,
    "shipping_cost": null,
    "amount_capturable": 0,
    "amount_received": 2500,
    "connector": "fiuu",
    "client_secret": "pay_aBsJoG8wjpfpbKggSOGN_secret_14HaB2sRpkebckvhM3EJ",
    "created": "2025-09-22T14:50:06.204Z",
    "currency": "CNY",
    "customer_id": "abcdef",
    "customer": {
        "id": "abcdef",
        "name": "John Doe",
        "email": "guest@example.com",
        "phone": "999999999",
        "phone_country_code": "+65"
    },
    "description": "Its my first payment request",
    "refunds": null,
    "disputes": null,
    "mandate_id": null,
    "mandate_data": null,
    "setup_future_usage": null,
    "off_session": null,
    "capture_on": null,
    "capture_method": "automatic",
    "payment_method": "card",
    "payment_method_data": {
        "card": {
            "last4": "5100",
            "card_type": null,
            "card_network": null,
            "card_issuer": null,
            "card_issuing_country": null,
            "card_isin": "510510",
            "card_extended_bin": null,
            "card_exp_month": "12",
            "card_exp_year": "2030",
            "card_holder_name": "Max Mustermann",
            "payment_checks": null,
            "authentication_data": null
        },
        "billing": null
    },
    "payment_token": null,
    "shipping": {
        "address": {
            "city": "San Fransico",
            "country": "CN",
            "line1": "1467",
            "line2": "Harrison Street",
            "line3": "Harrison Street",
            "zip": "94122",
            "state": "California",
            "first_name": "joseph",
            "last_name": "Doe",
            "origin_zip": null
        },
        "phone": {
            "number": "9123456789",
            "country_code": "+91"
        },
        "email": null
    },
    "billing": {
        "address": {
            "city": "San Fransico",
            "country": "CN",
            "line1": "1467",
            "line2": "Harrison Street",
            "line3": "Harrison Street",
            "zip": "94122",
            "state": "California",
            "first_name": "joseph",
            "last_name": "Doe",
            "origin_zip": null
        },
        "phone": {
            "number": "9123456789",
            "country_code": "+91"
        },
        "email": null
    },
    "order_details": null,
    "email": "guest@example.com",
    "name": "John Doe",
    "phone": "999999999",
    "return_url": "https://duck.com/",
    "authentication_type": "no_three_ds",
    "statement_descriptor_name": "joseph",
    "statement_descriptor_suffix": "JS",
    "next_action": null,
    "cancellation_reason": null,
    "error_code": null,
    "error_message": null,
    "unified_code": null,
    "unified_message": null,
    "payment_experience": null,
    "payment_method_type": "credit",
    "connector_label": null,
    "business_country": null,
    "business_label": "default",
    "business_sub_label": null,
    "allowed_payment_method_types": null,
    "ephemeral_key": {
        "customer_id": "abcdef",
        "created_at": 1758552606,
        "expires": 1758556206,
        "secret": "epk_396a50e651dc40e0b35a0f22b82cbc5c"
    },
    "manual_retry_allowed": null,
    "connector_transaction_id": "31048173",
    "frm_message": null,
    "metadata": null,
    "connector_metadata": null,
    "feature_metadata": {
        "redirect_response": null,
        "search_tags": null,
        "apple_pay_recurring_details": null,
        "gateway_system": "direct"
    },
    "reference_id": null,
    "payment_link": null,
    "profile_id": "pro_gIzlvTGmHkBZQFOCtbwq",
    "surcharge_details": null,
    "attempt_count": 1,
    "merchant_decision": null,
    "merchant_connector_id": "mca_aloyWgEymQftBd1JXETx",
    "incremental_authorization_allowed": false,
    "authorization_count": null,
    "incremental_authorizations": null,
    "external_authentication_details": null,
    "external_3ds_authentication_attempted": false,
    "expires_on": "2025-09-22T15:05:06.204Z",
    "fingerprint": null,
    "browser_info": {
        "language": "nl-NL",
        "time_zone": 0,
        "ip_address": "109.71.40.0",
        "user_agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36",
        "color_depth": 24,
        "java_enabled": true,
        "screen_width": 1536,
        "accept_header": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
        "screen_height": 723,
        "java_script_enabled": true
    },
    "payment_channel": null,
    "payment_method_id": null,
    "network_transaction_id": null,
    "payment_method_status": null,
    "updated": "2025-09-22T14:50:07.527Z",
    "split_payments": null,
    "frm_metadata": null,
    "extended_authorization_applied": null,
    "capture_before": null,
    "merchant_order_reference_id": null,
    "order_tax_amount": null,
    "connector_mandate_id": null,
    "card_discovery": "manual",
    "force_3ds_challenge": false,
    "force_3ds_challenge_trigger": false,
    "issuer_error_code": null,
    "issuer_error_message": null,
    "is_iframe_redirection_enabled": null,
    "whole_connector_response": null,
    "enable_partial_authorization": null,
    "enable_overcapture": null,
    "is_overcapture_enabled": null,
    "network_details": null
}

Checklist

• I formatted the code cargo +nightly fmt --all
• I addressed lints thrown by cargo clippy
• I reviewed the submitted code
• I added unit tests for my changes where possible

[semanticdiff-com]

Review changes with  

Changed Files

File	Status
crates/injector/src/vault_metadata.rs	83% smaller
crates/hyperswitch_connectors/src/connectors/fiuu.rs	69% smaller
crates/hyperswitch_connectors/src/connectors/hipay.rs	69% smaller
crates/external_services/src/http_client.rs	63% smaller
crates/hyperswitch_connectors/src/connectors/checkout.rs	59% smaller
crates/hyperswitch_connectors/src/connectors/stripe.rs	59% smaller
crates/router/src/services/api.rs	49% smaller
crates/hyperswitch_connectors/src/connectors/stripe/transformers.rs	14% smaller
crates/hyperswitch_connectors/src/connectors/checkout/transformers.rs	14% smaller
crates/common_utils/src/request.rs	6% smaller
crates/router/src/core/payment_methods.rs	0% smaller