Examples of com.amazonaws.auth.policy.Principal

com.amazonaws.auth.policy.Principal
A principal is an AWS account which is being allowed or denied access to a resource through an access control policy. The principal is a property of the {@link Statement} object, not directly the {@link Policy} object.
The principal is A in the statement "A has permission to do B to C where D applies."
In an access control policy statement, you can set the principal to all authenticated AWS users through the {@link Principal#AllUsers} member. Thisis useful when you don't want to restrict access based on the identity of the requester, but instead on other identifying characteristics such as the requester's IP address.

     *            request.
     * @return a principal instance.
     */
    private Principal createPrincipal(String schema, JsonNode principalNode) {
        if (schema.equalsIgnoreCase(PRINCIPAL_SCHEMA_USER)) {
            return new Principal(principalNode.asText());
        } else if (schema.equalsIgnoreCase(PRINCIPAL_SCHEMA_SERVICE)) {
            return new Principal(Services.fromString(principalNode.asText()));
        } else if (schema.equalsIgnoreCase(PRINICIPAL_SCHEMA_FEDERATED)) {
            if (WebIdentityProviders.fromString(principalNode.asText()) != null) {
                return new Principal(
                        WebIdentityProviders.fromString(principalNode.asText()));
            } else {
                return new Principal(PRINICIPAL_SCHEMA_FEDERATED, principalNode.asText());
            }
        }
        throw new AmazonClientException("Schema " + schema + " is not a valid value for the principal.");
    }

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     *            request.
     * @return a principal instance.
     */
    private Principal createPrincipal(String schema, JsonNode principalNode) {
        if (schema.equalsIgnoreCase(PRINCIPAL_SCHEMA_USER)) {
            return new Principal(principalNode.asText());
        } else if (schema.equalsIgnoreCase(PRINCIPAL_SCHEMA_SERVICE)) {
            return new Principal(schema,principalNode.asText());
        } else if (schema.equalsIgnoreCase(PRINICIPAL_SCHEMA_FEDERATED)) {
            if (WebIdentityProviders.fromString(principalNode.asText()) != null) {
                return new Principal(
                        WebIdentityProviders.fromString(principalNode.asText()));
            } else {
                return new Principal(PRINICIPAL_SCHEMA_FEDERATED, principalNode.asText());
            }
        }
        throw new AmazonClientException("Schema " + schema + " is not a valid value for the principal.");
    }

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        String[] fields = JSONObject.getNames(jPrincipals);
        for (String field : fields) {
            String serviceId = jPrincipals.optString(field);
            if (serviceId != null && serviceId.length() > 0) {
                if (field.equalsIgnoreCase("AWS")) {
                statement.getPrincipals().add(new Principal(serviceId));
                } else if (field.equalsIgnoreCase("Service")) {
                    statement.getPrincipals().add(new Principal(Services.fromString(serviceId)));
                }
            } else {
                JSONArray jPrincipal = jPrincipals.getJSONArray(field);
                convertPrincipalRecord(field, statement, jPrincipal);
            }

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            }
        }
    }


    private void convertPrincipalRecord(String schema, Statement statement, JSONArray jPrincipal) throws JSONException {
        Principal principal = null;
        for (int index = 0 ; index < jPrincipal.length() ; index++) {
            if (schema.equals("AWS")) {
                if (jPrincipal.getString(index).equals("*")) {
                    principal = Principal.AllUsers;
                }
                principal = new Principal(jPrincipal.getString(index));
            } else if (schema.equals("Service")) {
                principal = new Principal(Services.fromString(jPrincipal.getString(index)));
            }
            statement.getPrincipals().add(principal);
        }
    }

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        String[] fields = JSONObject.getNames(jPrincipals);
        for (String field : fields) {
            String serviceId = jPrincipals.optString(field);
            if (serviceId != null && serviceId.length() > 0) {
                if (field.equalsIgnoreCase("AWS")) {
                    statement.getPrincipals().add(new Principal(serviceId));
                } else if (field.equalsIgnoreCase("Service")) {
                    statement.getPrincipals().add(
                            new Principal(Services.fromString(serviceId)));
                } else if (field.equalsIgnoreCase("Federated")) {
                    if (WebIdentityProviders.fromString(serviceId) != null) {
                        statement.getPrincipals().add(
                                new Principal(WebIdentityProviders.fromString(serviceId)));
                    } else {
                        statement.getPrincipals().add(
                                new Principal("Federated", serviceId));
                    }
                }
            } else {
                JSONArray jPrincipal = jPrincipals.getJSONArray(field);
                convertPrincipalRecord(field, statement, jPrincipal);

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            }
        }
    }


    private void convertPrincipalRecord(String schema, Statement statement, JSONArray jPrincipal) throws JSONException {
        Principal principal = null;
        for (int index = 0 ; index < jPrincipal.length() ; index++) {
            if (schema.equals("AWS")) {
                if (jPrincipal.getString(index).equals("*")) {
                    principal = Principal.AllUsers;
                }
                principal = new Principal(jPrincipal.getString(index));
            } else if (schema.equals("Service")) {
                principal = new Principal(Services.fromString(jPrincipal.getString(index)));
            }
            statement.getPrincipals().add(principal);
        }
    }

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        String[] fields = JSONObject.getNames(jPrincipals);
        for (String field : fields) {
            String serviceId = jPrincipals.optString(field);
            if (serviceId != null && serviceId.length() > 0) {
                if (field.equalsIgnoreCase("AWS")) {
                statement.getPrincipals().add(new Principal(serviceId));
                } else if (field.equalsIgnoreCase("Service")) {
                    statement.getPrincipals().add(new Principal(Services.fromString(serviceId)));
                }
            } else {
                JSONArray jPrincipal = jPrincipals.getJSONArray(field);
                convertPrincipalRecord(field, statement, jPrincipal);
            }

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            }
        }
    }


    private void convertPrincipalRecord(String schema, Statement statement, JSONArray jPrincipal) throws JSONException {
        Principal principal = null;
        for (int index = 0 ; index < jPrincipal.length() ; index++) {
            if (schema.equals("AWS")) {
                if (jPrincipal.getString(index).equals("*")) {
                    principal = Principal.AllUsers;
                }
                principal = new Principal(jPrincipal.getString(index));
            } else if (schema.equals("Service")) {
                principal = new Principal(Services.fromString(jPrincipal.getString(index)));
            }
            statement.getPrincipals().add(principal);
        }
    }

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        String[] fields = JSONObject.getNames(jPrincipals);
        for (String field : fields) {
            String serviceId = jPrincipals.optString(field);
            if (serviceId != null && serviceId.length() > 0) {
                if (field.equalsIgnoreCase("AWS")) {
                    statement.getPrincipals().add(new Principal(serviceId));
                } else if (field.equalsIgnoreCase("Service")) {
                    statement.getPrincipals().add(
                            new Principal(Services.fromString(serviceId)));
                } else if (field.equalsIgnoreCase("Federated")) {
                    statement.getPrincipals().add(
                            new Principal(WebIdentityProviders.fromString(serviceId)));
                }
            } else {
                JSONArray jPrincipal = jPrincipals.getJSONArray(field);
                convertPrincipalRecord(field, statement, jPrincipal);
            }

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            }
        }
    }


    private void convertPrincipalRecord(String schema, Statement statement, JSONArray jPrincipal) throws JSONException {
        Principal principal = null;
        for (int index = 0 ; index < jPrincipal.length() ; index++) {
            if (schema.equals("AWS")) {
                if (jPrincipal.getString(index).equals("*")) {
                    principal = Principal.AllUsers;
                }
                principal = new Principal(jPrincipal.getString(index));
            } else if (schema.equals("Service")) {
                principal = new Principal(Services.fromString(jPrincipal.getString(index)));
            }
            statement.getPrincipals().add(principal);
        }
    }

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com.amazonaws.auth.policy.internal.JsonPolicyReader

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