允许参与者完全读取权限

Question

我想授予在公司类型为 "BORDER" 的公司工作的所有 'Person' 参与者的读取权限。公司类型是一个枚举。

ACL：

rule NetworkAdminUser {
    description: "Grant business network administrators full access to user resources"
    participant: "org.hyperledger.composer.system.NetworkAdmin"
    operation: ALL
    resource: "**"
    action: ALLOW
}

rule NetworkAdminSystem {
    description: "Grant business network administrators full access to system resources"
    participant: "org.hyperledger.composer.system.NetworkAdmin"
    operation: ALL
    resource: "org.hyperledger.composer.system.**"
    action: ALLOW
}

rule SystemACL {
  description:  "System ACL to permit all access"
  participant: "org.hyperledger.composer.system.Participant"
  operation: ALL
  resource: "org.hyperledger.composer.system.**"
  action: ALLOW
}

rule transaction {
    description: "Allow participants full access to transactions"
    participant: "org.acme.shipping.participants.Person"
    operation: ALL
    resource: "org.acme.shipping.transactions.**"
    action: ALLOW
}

rule containers {
    description: "Allow participants access to containers owned by their company"
    participant(p): "org.acme.shipping.participants.Person"
    operation: ALL
    resource(c): "org.acme.shipping.assets.**"
    condition: (c.owner.getIdentifier() == p.company.getIdentifier())
    action: ALLOW
}

rule border {
    description: "Allow Border access to containers"
    participant(p): "org.acme.shipping.participants.Person"
    operation: READ
    resource: "org.acme.shipping.assets.**"
    condition: (p.company.type == "BORDER")
    action: ALLOW
}

参与者模型文件：

namespace org.acme.shipping.participants

participant Company identified by cid {
  o String cid
  o String name
  o CompanyType type
}

enum CompanyType {
  o BORDER
  o COURIER
  o SHIPPER
}

participant Person identified by id {
  o String id
  o String name
  --> Company company
}

但是，此人仍然看不到任何资产。

有什么解决办法的建议吗？

Answer 1

您为 Border Companies 授予对所有容器的访问权限而编写的 ACL 规则没有问题。主要问题是每个 Person 参与者都引用了他们的 Company 但没有为类型 的参与者指定规则Person 在 ACL 中访问/阅读他们公司的详细信息。因此，默认情况下，ACL 拒绝一个人读取其公司详细信息的读取权限，因为您在规则条件下访问此人的公司为

p.company.type

访问受限。要实现相同的功能，您必须首先使用

提供对该人自己公司的 READ 访问权限

rule readCompany {
    description: "Allow Read Access to Person's Own Company"
    participant(p): "org.acme.shipping.participants.Person"
    operation: READ
    resource(comp): "org.acme.shipping.participants.Company"
    condition: (p.company.getIdentifier() == comp.getIdentifier())
    action: ALLOW
}

然后您将能够将所有容器的访问权限授予属于 company 类型 的 persons ]Border 使用与

相同的规则

rule border {
    description: "Allow Border access to containers"
    participant(p): "org.acme.shipping.participants.Person"
    operation: READ
    resource: "org.acme.shipping.assets.**"
    condition: (p.company.type == "BORDER")
    action: ALLOW
}

允许参与者完全读取权限

Allow participant full read access

hyperledger

hyperledger-fabric

hyperledger-composer

ibm-blockchain