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access-strategy-type.js
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access-strategy-type.js
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"use strict";
const locreq = require("locreq")(__dirname);
const Promise = require("bluebird");
const Errors = locreq("lib/response/error.js");
const Chip = locreq("lib/chip-types/chip.js");
function AccessStrategyType(app, declaration) {
if (declaration instanceof AccessStrategyType) {
return declaration;
} else if (typeof declaration === "string") {
return app.ChipManager.get_chip("access_strategy_type", declaration);
}
this.declaration = declaration;
this.checker_function = null;
this.name = declaration.name;
this.app = app;
if (declaration) {
this.checker_function =
declaration.checker_function === undefined
? null
: declaration.checker_function.bind(this);
}
}
AccessStrategyType.type_name = "access_strategy_type";
AccessStrategyType.pure = {
check: async function(declaration, context, params, sealious_response) {
if (context.is_super) {
return;
}
const is_item_sensitive = await AccessStrategyType.pure.is_item_sensitive(
declaration,
params
);
if (is_item_sensitive && sealious_response === undefined) {
return;
}
return Promise.method(declaration.checker_function)(
context,
params,
sealious_response
)
.then(function(result) {
if (result === false) {
return Promise.reject("Access denied");
}
return result;
})
.catch(function(error) {
if (typeof error === "string") {
return Promise.reject(new Errors.BadContext(error));
}
return Promise.reject(error);
});
},
is_item_sensitive: async function(declaration, params) {
if (typeof declaration.item_sensitive === "function") {
return declaration.item_sensitive(params);
}
return Boolean(declaration.item_sensitive);
},
getRestrictingQuery: async function(declaration, context, params) {
if (!declaration.getRestrictingQuery) {
return [];
}
return declaration.getRestrictingQuery(context, params);
},
};
AccessStrategyType.prototype = {
check(context, params, sealious_response) {
return AccessStrategyType.pure.check(
this.declaration,
context,
params,
sealious_response
);
},
is_item_sensitive(params) {
return AccessStrategyType.pure.is_item_sensitive(
this.declaration,
params
);
},
getRestrictingQuery(context, params) {
return AccessStrategyType.pure.getRestrictingQuery(
this.declaration,
context,
params
);
},
};
module.exports = AccessStrategyType;

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