DXCDT-546: Add logic to fetch universal login branding data

[sergiught]

🔧 Changes

This PR adds logic for the auth0 universal-login customize command in order to fetch universal login branding data:

universalLoginBrandingData struct {
		AuthenticationProfile *management.Prompt                 `json:"auth_profile"`
		Settings              *management.Branding               `json:"settings"`
		Template              *management.BrandingUniversalLogin `json:"template"`
		Theme                 *management.BrandingTheme          `json:"theme"`
		Tenant                *tenantData                        `json:"tenant"`
		Prompt                *promptData                        `json:"prompt"`
}

Each API calls is executed in parallel using errgroup and if an error is encountered it gets propagated immediately during this phase.

When fetching the prompt data, we only fetch the login prompt and screen text for the default language set on the tenant. If custom text is not set for any of the fields available for the login screen, the defaults will get displayed.

Example of the full payload:

{
    "auth_profile": {
        "universal_login_experience": "new",
        "identifier_first": false,
        "webauthn_platform_first_factor": false
    },
    "settings": {
        "colors": {
            "primary": "#2A2E35",
            "page_background": "#FF4F40"
        },
        "favicon_url": "https://example.com/favicon.png",
        "logo_url": "https://cdn.auth0.com/manhattan/versions/1.3935.0/assets/badge.png"
    },
    "template": {},
    "theme": {
        "borders": {
            "button_border_radius": 3,
            "button_border_weight": 1,
            "buttons_style": "rounded",
            "input_border_radius": 3,
            "input_border_weight": 1,
            "inputs_style": "rounded",
            "show_widget_shadow": true,
            "widget_border_weight": 0,
            "widget_corner_radius": 5
        },
        "colors": {
            "base_focus_color": "#635dff",
            "base_hover_color": "#000000",
            "body_text": "#1e212a",
            "error": "#d03c38",
            "header": "#1e212a",
            "icons": "#65676e",
            "input_background": "#ffffff",
            "input_border": "#c9cace",
            "input_filled_text": "#000000",
            "input_labels_placeholders": "#65676e",
            "links_focused_components": "#635dff",
            "primary_button": "#635dff",
            "primary_button_label": "#ffffff",
            "secondary_button_border": "#c9cace",
            "secondary_button_label": "#1e212a",
            "success": "#13a688",
            "widget_background": "#ffffff",
            "widget_border": "#c9cace"
        },
        "fonts": {
            "body_text": {
                "bold": false,
                "size": 87.5
            },
            "buttons_text": {
                "bold": false,
                "size": 100
            },
            "font_url": "",
            "input_labels": {
                "bold": false,
                "size": 100
            },
            "links": {
                "bold": true,
                "size": 87.5
            },
            "links_style": "normal",
            "reference_text_size": 16,
            "subtitle": {
                "bold": false,
                "size": 87.5
            },
            "title": {
                "bold": false,
                "size": 150
            }
        },
        "page_background": {
            "background_color": "#000000",
            "background_image_url": "",
            "page_layout": "center"
        },
        "widget": {
            "header_text_alignment": "center",
            "logo_height": 52,
            "logo_position": "center",
            "logo_url": "",
            "social_buttons_layout": "bottom"
        }
    },
    "tenant": {
        "friendly_name": "My Test Tenant",
        "enabled_locales": [
            "en",
            "es"
        ],
        "domain": "test-tenant.eu.auth0.com"
    },
    "prompt": {
        "language": "en",
        "prompt": "login",
        "custom_text": {
            "login": {
                "alertListTitle": "Alerts",
                "auth0-users-validation": "Something went wrong, please try again later",
                "authentication-failure": "We are sorry, something went wrong when attempting to login",
                "buttonText": "Continue",
                "custom-script-error-code": "Something went wrong, please try again later.",
                "description": "Log in to ${companyName} to continue to ${clientName}.",
                "editEmailText": "Edit",
                "emailPlaceholder": "Email address",
                "federatedConnectionButtonText": "Continue with ${connectionName}",
                "footerLinkText": "Sign up",
                "footerText": "Don't have an account?",
                "forgotPasswordText": "Forgot password?",
                "hidePasswordText": "Hide password",
                "invalid-connection": "Invalid connection",
                "invalid-email-format": "Email is not valid.",
                "invitationDescription": "Log in to accept ${inviterName}'s invitation to join ${companyName} on ${clientName}.",
                "invitationTitle": "You've Been Invited!",
                "ip-blocked": "We have detected suspicious login behavior and further attempts will be blocked. Please contact the administrator.",
                "logoAltText": "${companyName}",
                "no-db-connection": "Invalid connection",
                "no-email": "Please enter an email address",
                "no-password": "Password is required",
                "no-username": "Username is required",
                "pageTitle": "Log in | ${clientName}",
                "password-breached": "We have detected a potential security issue with this account. To protect your account, we have prevented this login. Please reset your password to proceed.",
                "passwordPlaceholder": "Password",
                "same-user-login": "Too many login attempts for this user. Please wait, and try again later.",
                "separatorText": "Or",
                "showPasswordText": "Show password",
                "signupActionLinkText": "${footerLinkText}",
                "signupActionText": "${footerText}",
                "title": "Welcome",
                "user-blocked": "Your account has been blocked after multiple consecutive login attempts.",
                "usernamePlaceholder": "Username or email address",
                "wrong-credentials": "Wrong username or password",
                "wrong-email-credentials": "Wrong email or password"
            }
        }
    }
}

📚 References

🔬 Testing

📝 Checklist

• All new/changed/fixed functionality is covered by tests (or N/A)
• I have added documentation for all new/changed functionality (or N/A)

[codecov-commenter]

Codecov Report

Attention: 11 lines in your changes are missing coverage. Please review.

Comparison is base (1cff49f) 73.41% compared to head (ee43b12) 73.69%.

Additional details and impacted files

@@                  Coverage Diff                   @@
##           DXCDT-545-skeleton     #861      +/-   ##
======================================================
+ Coverage               73.41%   73.69%   +0.27%     
======================================================
  Files                      93       93              
  Lines                   11911    12069     +158     
======================================================
+ Hits                     8745     8894     +149     
- Misses                   2649     2658       +9     
  Partials                  517      517              

Files	Coverage Δ
internal/auth0/auth0.go	100.00% <100.00%> (ø)
internal/cli/universal_login_customize.go	93.02% <93.12%> (+13.02%)	⬆️

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