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import { isEmpty } from 'lodash'; | ||
import { FilterQuery } from 'mongoose'; | ||
import moment from 'moment'; | ||
import { ActivityLogGetRequest } from 'shared/types/activityLogApiTypes'; | ||
import { ActivityLogEntryType } from 'shared/types/activityLogEntryType'; | ||
import { escapeEspecialChars } from 'shared/data_utils/stringUtils'; | ||
import { ParsedActions } from './activitylogParser'; | ||
import { EntryValue } from './activityLogBuilder'; | ||
|
||
type ActivityLogQuery = Required<ActivityLogGetRequest>['query']; | ||
type ActivityLogQueryTime = Required<ActivityLogQuery>['time']; | ||
const prepareToFromRanges = (sanitizedTime: ActivityLogQueryTime) => { | ||
const fromDate = sanitizedTime.from && new Date(sanitizedTime.from); | ||
const toDate = sanitizedTime.to && moment(new Date(sanitizedTime.to)).add(1, 'day').toDate(); | ||
return { | ||
...(fromDate && { $gte: fromDate.getTime() }), | ||
...(toDate && { $lt: toDate.getTime() }), | ||
}; | ||
}; | ||
const parsedActionsEntries = Object.entries(ParsedActions); | ||
const queryURL = (matchedEntries: [string, EntryValue][]) => | ||
matchedEntries.map(([key]) => { | ||
const entries = key.split(/\/(.*)/s); | ||
const condition = { | ||
$and: [ | ||
{ url: { $regex: `^\\/${escapeEspecialChars(entries[1])}$` } }, | ||
{ method: entries[0] }, | ||
], | ||
}; | ||
return condition; | ||
}); | ||
const andCondition = (method: string, regex: string, property: string = 'body') => ({ | ||
$and: [{ method }, { [property]: { $regex: regex } }], | ||
}); | ||
const bodyCondition = (methods: string[]) => { | ||
const orContent: FilterQuery<ActivityLogEntryType>[] = []; | ||
methods.forEach(method => { | ||
switch (method) { | ||
case 'CREATE': | ||
orContent.push({ | ||
$and: [ | ||
andCondition('POST', '^(?!{"_id").*'), | ||
andCondition('POST', '^(?!{"entity":"{\\\\"_id).*'), | ||
], | ||
}); | ||
break; | ||
case 'UPDATE': | ||
orContent.push(andCondition('POST', '^({"_id").*')); | ||
orContent.push(andCondition('POST', '^({"entity":"{\\\\"_id).*')); | ||
orContent.push(andCondition('PUT', '^({"_id").*')); | ||
orContent.push(andCondition('PUT', '^({"entity":"{\\\\"_id).*')); | ||
break; | ||
case 'DELETE': | ||
orContent.push(andCondition('DELETE', '^({"_id").*')); | ||
orContent.push(andCondition('DELETE', '^({"_id").*', 'query')); | ||
orContent.push(andCondition('DELETE', '^({"sharedId").*', 'query')); | ||
break; | ||
default: | ||
orContent.push({ method }); | ||
break; | ||
} | ||
}); | ||
return orContent; | ||
}; | ||
const sanitizeTime = (time: ActivityLogQueryTime) => (memo: {}, k: string) => | ||
time[k] !== null ? Object.assign(memo, { [k]: time[k] }) : memo; | ||
const equivalentHttpMethod = (method: string): string => | ||
['CREATE', 'UPDATE'].includes(method.toUpperCase()) ? 'POST' : method.toUpperCase(); | ||
const matchWithParsedEntry = ( | ||
key: string, | ||
queryMethods: string[], | ||
value: EntryValue, | ||
methods: string[] | ||
) => | ||
key.toUpperCase().match(`(${queryMethods.join('|')}).*`) && | ||
((value.method || '').toUpperCase().match(`(${methods.join('|')}).*`) || | ||
value.desc.toUpperCase().match(`(${methods.join('|')}).*`)); | ||
const reduceUniqueCondition: ( | ||
condition: FilterQuery<ActivityLogEntryType> | ||
) => FilterQuery<ActivityLogEntryType> = (condition: FilterQuery<ActivityLogEntryType>) => { | ||
const keys = Object.keys(condition); | ||
return keys.reduce((memo, key) => { | ||
if (['$and', '$or'].includes(key) && condition[key]?.length === 1) { | ||
const reducedCondition = reduceUniqueCondition(condition[key][0]); | ||
return { ...memo, ...reducedCondition }; | ||
} | ||
return { ...memo, [key]: condition[key] }; | ||
}, {}); | ||
}; | ||
class ActivityLogFilter { | ||
andQuery: FilterQuery<ActivityLogEntryType>[] = []; | ||
|
||
searchQuery: FilterQuery<ActivityLogEntryType>[] = []; | ||
|
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query: ActivityLogQuery; | ||
|
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constructor(requestQuery: ActivityLogQuery) { | ||
const methodFilter = ((requestQuery || {}).method || []).map(method => method.toUpperCase()); | ||
this.query = { ...requestQuery, method: methodFilter }; | ||
} | ||
|
||
timeQuery() { | ||
const { time = {}, before = -1 } = this.query || {}; | ||
const sanitizedTime: ActivityLogQueryTime = Object.keys(time).reduce(sanitizeTime(time), {}); | ||
if (before === -1 && isEmpty(sanitizedTime)) { | ||
return; | ||
} | ||
const timeFilter = { | ||
...(!isEmpty(sanitizedTime) ? { time: prepareToFromRanges(sanitizedTime) } : {}), | ||
...(before !== -1 ? { time: { $lt: before } } : {}), | ||
}; | ||
this.andQuery.push(timeFilter); | ||
} | ||
|
||
setRequestFilter(property: 'url' | 'query' | 'body' | 'params', exact = false) { | ||
const filterValue = (this.query || {})[property]; | ||
if (filterValue !== undefined) { | ||
const exp = escapeEspecialChars(filterValue); | ||
this.andQuery.push({ [property]: { $regex: exact ? `^${exp}$` : exp } }); | ||
} | ||
} | ||
|
||
prepareRegexpQueries = () => { | ||
this.setRequestFilter('url', true); | ||
this.setRequestFilter('query'); | ||
this.setRequestFilter('body'); | ||
this.setRequestFilter('params'); | ||
}; | ||
|
||
searchFilter() { | ||
const { search } = this.query || {}; | ||
if (search !== undefined) { | ||
const regex = { $regex: `.*${escapeEspecialChars(search)}.*`, $options: 'si' }; | ||
this.searchQuery.push({ | ||
$or: [ | ||
{ | ||
method: { | ||
$regex: `${escapeEspecialChars(search.toUpperCase().replace('CREATE', 'POST'))}`, | ||
}, | ||
}, | ||
{ url: { $regex: `^${escapeEspecialChars(search)}$` } }, | ||
{ query: regex }, | ||
{ body: regex }, | ||
{ params: regex }, | ||
], | ||
}); | ||
} | ||
} | ||
|
||
methodFilter() { | ||
const { method: methods = [] } = this.query || {}; | ||
if (methods.length > 0) { | ||
const queryMethods = methods.map(equivalentHttpMethod); | ||
const matchedEntries = parsedActionsEntries.filter(([key, value]) => | ||
matchWithParsedEntry(key, queryMethods, value, methods) | ||
); | ||
const bodyTerm = bodyCondition(methods); | ||
if (bodyTerm.length > 0) { | ||
this.andQuery.push({ $or: bodyTerm }); | ||
} | ||
if (matchedEntries.length > 0) { | ||
const orUrlItems = queryURL(matchedEntries); | ||
this.andQuery.push({ $or: orUrlItems }); | ||
} | ||
} | ||
} | ||
|
||
openSearchFilter() { | ||
const { search } = this.query || {}; | ||
if (search === undefined) { | ||
return; | ||
} | ||
const matchedURLs = parsedActionsEntries.filter(([_key, value]) => | ||
value.desc.toLowerCase().includes(search.toLocaleLowerCase() || '') | ||
); | ||
const orUrlItems = queryURL(matchedURLs); | ||
if (matchedURLs.length > 0) { | ||
this.searchQuery.push({ $or: orUrlItems }); | ||
} else { | ||
this.searchFilter(); | ||
} | ||
if (this.searchQuery.length > 0) { | ||
this.andQuery.push({ $or: this.searchQuery }); | ||
} | ||
} | ||
|
||
findFilter() { | ||
const { find } = this.query || {}; | ||
if (find) { | ||
const regex = { $regex: `.*${escapeEspecialChars(find)}.*`, $options: 'si' }; | ||
this.andQuery.push({ | ||
$or: [ | ||
{ method: regex }, | ||
{ url: regex }, | ||
{ query: regex }, | ||
{ body: regex }, | ||
{ params: regex }, | ||
], | ||
}); | ||
} | ||
} | ||
|
||
userFilter() { | ||
const { username } = this.query || {}; | ||
if (username) { | ||
const orUser: FilterQuery<ActivityLogEntryType>[] = [ | ||
{ username: { $regex: `.*${escapeEspecialChars(username)}.*`, $options: 'si' } }, | ||
]; | ||
if (username === 'anonymous') { | ||
orUser.push({ username: null }); | ||
} | ||
this.andQuery.push({ $or: orUser }); | ||
} | ||
} | ||
|
||
prepareQuery() { | ||
this.prepareRegexpQueries(); | ||
this.methodFilter(); | ||
this.openSearchFilter(); | ||
this.findFilter(); | ||
this.userFilter(); | ||
this.timeQuery(); | ||
const rootQuery = !isEmpty(this.andQuery) ? reduceUniqueCondition({ $and: this.andQuery }) : {}; | ||
return rootQuery; | ||
} | ||
} | ||
export type { ActivityLogQueryTime }; | ||
export { ActivityLogFilter, prepareToFromRanges, bodyCondition }; |
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