195 lines
6.5 KiB
Rust
195 lines
6.5 KiB
Rust
use fedimovies_models::profiles::types::{
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ExtraField, IdentityProof, IdentityProofType, PaymentLink, PaymentOption,
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};
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use fedimovies_utils::did::Did;
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use crate::activitypub::vocabulary::{IDENTITY_PROOF, LINK, PROPERTY_VALUE};
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use crate::errors::ValidationError;
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use crate::identity::{
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claims::create_identity_claim,
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minisign::{parse_minisign_signature, verify_minisign_signature},
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};
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use crate::json_signatures::proofs::{PROOF_TYPE_ID_EIP191, PROOF_TYPE_ID_MINISIGN};
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use crate::web_client::urls::get_subscription_page_url;
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use super::types::ActorAttachment;
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pub fn attach_identity_proof(proof: IdentityProof) -> ActorAttachment {
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let proof_type_str = match proof.proof_type {
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IdentityProofType::LegacyEip191IdentityProof => PROOF_TYPE_ID_EIP191,
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IdentityProofType::LegacyMinisignIdentityProof => PROOF_TYPE_ID_MINISIGN,
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};
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ActorAttachment {
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object_type: IDENTITY_PROOF.to_string(),
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name: proof.issuer.to_string(),
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value: None,
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href: None,
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signature_algorithm: Some(proof_type_str.to_string()),
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signature_value: Some(proof.value),
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}
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}
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pub fn parse_identity_proof(
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actor_id: &str,
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attachment: &ActorAttachment,
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) -> Result<IdentityProof, ValidationError> {
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if attachment.object_type != IDENTITY_PROOF {
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return Err(ValidationError("invalid attachment type"));
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};
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let proof_type_str = attachment
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.signature_algorithm
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.as_ref()
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.ok_or(ValidationError("missing proof type"))?;
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let proof_type = match proof_type_str.as_str() {
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PROOF_TYPE_ID_EIP191 => IdentityProofType::LegacyEip191IdentityProof,
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PROOF_TYPE_ID_MINISIGN => IdentityProofType::LegacyMinisignIdentityProof,
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_ => return Err(ValidationError("unsupported proof type")),
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};
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let did = attachment
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.name
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.parse::<Did>()
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.map_err(|_| ValidationError("invalid DID"))?;
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let message =
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create_identity_claim(actor_id, &did).map_err(|_| ValidationError("invalid claim"))?;
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let signature = attachment
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.signature_value
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.as_ref()
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.ok_or(ValidationError("missing signature"))?;
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match did {
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Did::Key(ref did_key) => {
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if !matches!(proof_type, IdentityProofType::LegacyMinisignIdentityProof) {
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return Err(ValidationError("incorrect proof type"));
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};
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let signature_bin = parse_minisign_signature(signature)
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.map_err(|_| ValidationError("invalid signature encoding"))?;
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verify_minisign_signature(did_key, &message, &signature_bin)
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.map_err(|_| ValidationError("invalid identity proof"))?;
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}
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Did::Pkh(ref _did_pkh) => {
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return Err(ValidationError("incorrect proof type"));
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}
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};
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let proof = IdentityProof {
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issuer: did,
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proof_type: proof_type,
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value: signature.to_string(),
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};
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Ok(proof)
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}
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pub fn attach_payment_option(
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instance_url: &str,
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username: &str,
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payment_option: PaymentOption,
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) -> ActorAttachment {
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let (name, href) = match payment_option {
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// Local actors can't have payment links
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PaymentOption::Link(_) => unimplemented!(),
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PaymentOption::EthereumSubscription(_) => {
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let name = "EthereumSubscription".to_string();
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let href = get_subscription_page_url(instance_url, username);
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(name, href)
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}
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PaymentOption::MoneroSubscription(_) => {
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let name = "MoneroSubscription".to_string();
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let href = get_subscription_page_url(instance_url, username);
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(name, href)
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}
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};
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ActorAttachment {
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object_type: LINK.to_string(),
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name: name,
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value: None,
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href: Some(href),
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signature_algorithm: None,
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signature_value: None,
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}
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}
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pub fn parse_payment_option(
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attachment: &ActorAttachment,
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) -> Result<PaymentOption, ValidationError> {
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if attachment.object_type != LINK {
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return Err(ValidationError("invalid attachment type"));
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};
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let href = attachment
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.href
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.as_ref()
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.ok_or(ValidationError("href attribute is required"))?
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.to_string();
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let payment_option = PaymentOption::Link(PaymentLink {
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name: attachment.name.clone(),
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href: href,
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});
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Ok(payment_option)
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}
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pub fn attach_extra_field(field: ExtraField) -> ActorAttachment {
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ActorAttachment {
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object_type: PROPERTY_VALUE.to_string(),
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name: field.name,
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value: Some(field.value),
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href: None,
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signature_algorithm: None,
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signature_value: None,
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}
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}
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pub fn parse_extra_field(attachment: &ActorAttachment) -> Result<ExtraField, ValidationError> {
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if attachment.object_type != PROPERTY_VALUE {
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return Err(ValidationError("invalid attachment type"));
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};
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let property_value = attachment
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.value
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.as_ref()
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.ok_or(ValidationError("missing property value"))?;
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let field = ExtraField {
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name: attachment.name.clone(),
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value: property_value.to_string(),
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value_source: None,
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};
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Ok(field)
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use fedimovies_utils::caip2::ChainId;
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const INSTANCE_URL: &str = "https://example.com";
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#[test]
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fn test_extra_field() {
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let field = ExtraField {
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name: "test".to_string(),
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value: "value".to_string(),
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value_source: None,
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};
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let attachment = attach_extra_field(field.clone());
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assert_eq!(attachment.object_type, PROPERTY_VALUE);
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let parsed_field = parse_extra_field(&attachment).unwrap();
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assert_eq!(parsed_field.name, field.name);
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assert_eq!(parsed_field.value, field.value);
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}
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#[test]
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fn test_payment_option() {
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let username = "testuser";
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let payment_option = PaymentOption::ethereum_subscription(ChainId::ethereum_mainnet());
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let subscription_page_url = "https://example.com/@testuser/subscription";
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let attachment = attach_payment_option(INSTANCE_URL, username, payment_option);
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assert_eq!(attachment.object_type, LINK);
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assert_eq!(attachment.name, "EthereumSubscription");
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assert_eq!(attachment.href.as_deref().unwrap(), subscription_page_url);
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let parsed_option = parse_payment_option(&attachment).unwrap();
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let link = match parsed_option {
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PaymentOption::Link(link) => link,
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_ => panic!("wrong option"),
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};
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assert_eq!(link.name, "EthereumSubscription");
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assert_eq!(link.href, subscription_page_url);
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}
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}
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