prosody/util/jsonschema.lua

371 lines
11 KiB
Lua

-- This file is generated from teal-src/util/jsonschema.lua
if not math.type then
require("prosody.util.mathcompat")
end
local utf8_enc = rawget(_G, "utf8") or require("prosody.util.encodings").utf8;
local utf8_len = utf8_enc.len or function(s)
local _, count = s:gsub("[%z\001-\127\194-\253][\128-\191]*", "");
return count
end;
local json = require("prosody.util.json")
local null = json.null;
local pointer = require("prosody.util.jsonpointer")
local json_schema_object = { xml_t = {} }
local function simple_validate(schema, data)
if schema == nil then
return true
elseif schema == "object" and type(data) == "table" then
return type(data) == "table" and (next(data) == nil or type((next(data, nil))) == "string")
elseif schema == "array" and type(data) == "table" then
return type(data) == "table" and (next(data) == nil or type((next(data, nil))) == "number")
elseif schema == "integer" then
return math.type(data) == schema
elseif schema == "null" then
return data == null
elseif type(schema) == "table" then
for _, one in ipairs(schema) do
if simple_validate(one, data) then
return true
end
end
return false
else
return type(data) == schema
end
end
local function mkerr(sloc, iloc, err)
return { schemaLocation = sloc; instanceLocation = iloc; error = err }
end
local function validate(schema, data, root, sloc, iloc, errs)
if type(schema) == "boolean" then
return schema
end
if root == nil then
root = schema
iloc = ""
sloc = ""
errs = {};
end
if schema["$ref"] and schema["$ref"]:sub(1, 1) == "#" then
local referenced = pointer.resolve(root, schema["$ref"]:sub(2))
if referenced ~= nil and referenced ~= root and referenced ~= schema then
if not validate(referenced, data, root, schema["$ref"], iloc, errs) then
table.insert(errs, mkerr(sloc .. "/$ref", iloc, "Subschema failed validation"))
return false, errs
end
end
end
if not simple_validate(schema.type, data) then
table.insert(errs, mkerr(sloc .. "/type", iloc, "unexpected type"));
return false, errs
end
if schema.type == "object" then
if type(data) == "table" then
for k in pairs(data) do
if not (type(k) == "string") then
table.insert(errs, mkerr(sloc .. "/type", iloc, "'object' had non-string keys"));
return false, errs
end
end
end
end
if schema.type == "array" then
if type(data) == "table" then
for i in pairs(data) do
if not (math.type(i) == "integer") then
table.insert(errs, mkerr(sloc .. "/type", iloc, "'array' had non-integer keys"));
return false, errs
end
end
end
end
if schema["enum"] ~= nil then
local match = false
for _, v in ipairs(schema["enum"]) do
if v == data then
match = true
break
end
end
if not match then
table.insert(errs, mkerr(sloc .. "/enum", iloc, "not one of the enumerated values"));
return false, errs
end
end
if type(data) == "string" then
if schema.maxLength and utf8_len(data) > schema.maxLength then
table.insert(errs, mkerr(sloc .. "/maxLength", iloc, "string too long"))
return false, errs
end
if schema.minLength and utf8_len(data) < schema.minLength then
table.insert(errs, mkerr(sloc .. "/maxLength", iloc, "string too short"))
return false, errs
end
if schema.luaPattern and not data:match(schema.luaPattern) then
table.insert(errs, mkerr(sloc .. "/luaPattern", iloc, "string does not match pattern"))
return false, errs
end
end
if type(data) == "number" then
if schema.multipleOf and (data == 0 or data % schema.multipleOf ~= 0) then
table.insert(errs, mkerr(sloc .. "/luaPattern", iloc, "not a multiple"))
return false, errs
end
if schema.maximum and not (data <= schema.maximum) then
table.insert(errs, mkerr(sloc .. "/maximum", iloc, "number exceeds maximum"))
return false, errs
end
if schema.exclusiveMaximum and not (data < schema.exclusiveMaximum) then
table.insert(errs, mkerr(sloc .. "/exclusiveMaximum", iloc, "number exceeds exclusive maximum"))
return false, errs
end
if schema.minimum and not (data >= schema.minimum) then
table.insert(errs, mkerr(sloc .. "/minimum", iloc, "number below minimum"))
return false, errs
end
if schema.exclusiveMinimum and not (data > schema.exclusiveMinimum) then
table.insert(errs, mkerr(sloc .. "/exclusiveMinimum", iloc, "number below exclusive minimum"))
return false, errs
end
end
if schema.allOf then
for i, sub in ipairs(schema.allOf) do
if not validate(sub, data, root, sloc .. "/allOf/" .. i, iloc, errs) then
table.insert(errs, mkerr(sloc .. "/allOf", iloc, "did not match all subschemas"))
return false, errs
end
end
end
if schema.oneOf then
local valid = 0
for i, sub in ipairs(schema.oneOf) do
if validate(sub, data, root, sloc .. "/oneOf" .. i, iloc, errs) then
valid = valid + 1
end
end
if valid ~= 1 then
table.insert(errs, mkerr(sloc .. "/oneOf", iloc, "did not match exactly one subschema"))
return false, errs
end
end
if schema.anyOf then
local match = false
for i, sub in ipairs(schema.anyOf) do
if validate(sub, data, root, sloc .. "/anyOf/" .. i, iloc, errs) then
match = true
break
end
end
if not match then
table.insert(errs, mkerr(sloc .. "/anyOf", iloc, "did not match any subschema"))
return false, errs
end
end
if schema["not"] then
if validate(schema["not"], data, root, sloc .. "/not", iloc, errs) then
table.insert(errs, mkerr(sloc .. "/not", iloc, "did match subschema"))
return false, errs
end
end
if schema["if"] ~= nil then
if validate(schema["if"], data, root, sloc .. "/if", iloc, errs) then
if schema["then"] then
if not validate(schema["then"], data, root, sloc .. "/then", iloc, errs) then
table.insert(errs, mkerr(sloc .. "/then", iloc, "did not match subschema"))
return false, errs
end
end
else
if schema["else"] then
if not validate(schema["else"], data, root, sloc .. "/else", iloc, errs) then
table.insert(errs, mkerr(sloc .. "/else", iloc, "did not match subschema"))
return false, errs
end
end
end
end
if schema.const ~= nil and schema.const ~= data then
table.insert(errs, mkerr(sloc .. "/const", iloc, "did not match constant value"))
return false, errs
end
if type(data) == "table" then
if schema.maxItems and #(data) > schema.maxItems then
table.insert(errs, mkerr(sloc .. "/maxItems", iloc, "too many items"))
return false, errs
end
if schema.minItems and #(data) < schema.minItems then
table.insert(errs, mkerr(sloc .. "/minItems", iloc, "too few items"))
return false, errs
end
if schema.required then
for _, k in ipairs(schema.required) do
if data[k] == nil then
table.insert(errs, mkerr(sloc .. "/required", iloc .. "/" .. tostring(k), "missing required property"))
return false, errs
end
end
end
if schema.dependentRequired then
for k, reqs in pairs(schema.dependentRequired) do
if data[k] ~= nil then
for _, req in ipairs(reqs) do
if data[req] == nil then
table.insert(errs, mkerr(sloc .. "/dependentRequired", iloc, "missing dependent required property"))
return false, errs
end
end
end
end
end
if schema.propertyNames ~= nil then
for k in pairs(data) do
if not validate(schema.propertyNames, k, root, sloc .. "/propertyNames", iloc .. "/" .. tostring(k), errs) then
table.insert(errs, mkerr(sloc .. "/propertyNames", iloc .. "/" .. tostring(k), "a property name did not match subschema"))
return false, errs
end
end
end
local seen_properties = {}
if schema.properties then
for k, sub in pairs(schema.properties) do
if data[k] ~= nil and not validate(sub, data[k], root, sloc .. "/" .. tostring(k), iloc .. "/" .. tostring(k), errs) then
table.insert(errs, mkerr(sloc .. "/" .. tostring(k), iloc .. "/" .. tostring(k), "a property did not match subschema"))
return false, errs
end
seen_properties[k] = true
end
end
if schema.luaPatternProperties then
for pattern, sub in pairs(schema.luaPatternProperties) do
for k in pairs(data) do
if type(k) == "string" and k:match(pattern) then
if not validate(sub, data[k], root, sloc .. "/luaPatternProperties", iloc, errs) then
table.insert(errs, mkerr(sloc .. "/luaPatternProperties/" .. pattern, iloc .. "/" .. tostring(k), "a property did not match subschema"))
return false, errs
end
seen_properties[k] = true
end
end
end
end
if schema.additionalProperties ~= nil then
for k, v in pairs(data) do
if not seen_properties[k] then
if not validate(schema.additionalProperties, v, root, sloc .. "/additionalProperties", iloc .. "/" .. tostring(k), errs) then
table.insert(errs, mkerr(sloc .. "/additionalProperties", iloc .. "/" .. tostring(k), "additional property did not match subschema"))
return false, errs
end
end
end
end
if schema.dependentSchemas then
for k, sub in pairs(schema.dependentSchemas) do
if data[k] ~= nil and not validate(sub, data, root, sloc .. "/dependentSchemas/" .. k, iloc, errs) then
table.insert(errs, mkerr(sloc .. "/dependentSchemas", iloc .. "/" .. tostring(k), "did not match dependent subschema"))
return false, errs
end
end
end
if schema.uniqueItems then
local values = {}
for _, v in pairs(data) do
if values[v] then
table.insert(errs, mkerr(sloc .. "/uniqueItems", iloc, "had duplicate items"))
return false, errs
end
values[v] = true
end
end
local p = 0
if schema.prefixItems ~= nil then
for i, s in ipairs(schema.prefixItems) do
if data[i] == nil then
break
elseif validate(s, data[i], root, sloc .. "/prefixItems/" .. i, iloc .. "/" .. i, errs) then
p = i
else
table.insert(errs, mkerr(sloc .. "/prefixItems/" .. i, iloc .. "/" .. tostring(i), "did not match subschema"))
return false, errs
end
end
end
if schema.items ~= nil then
for i = p + 1, #(data) do
if not validate(schema.items, data[i], root, sloc, iloc .. "/" .. i, errs) then
table.insert(errs, mkerr(sloc .. "/prefixItems/" .. i, iloc .. "/" .. i, "did not match subschema"))
return false, errs
end
end
end
if schema.contains ~= nil then
local found = 0
for i = 1, #(data) do
if validate(schema.contains, data[i], root, sloc .. "/contains", iloc .. "/" .. i, errs) then
found = found + 1
else
table.insert(errs, mkerr(sloc .. "/contains", iloc .. "/" .. i, "did not match subschema"))
end
end
if found < (schema.minContains or 1) then
table.insert(errs, mkerr(sloc .. "/minContains", iloc, "too few matches"))
return false, errs
elseif found > (schema.maxContains or math.huge) then
table.insert(errs, mkerr(sloc .. "/maxContains", iloc, "too many matches"))
return false, errs
end
end
end
return true
end
json_schema_object.validate = validate;
return json_schema_object