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| 1 | +package steamweb |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "encoding/json" |
| 6 | + "errors" |
| 7 | + "fmt" |
| 8 | + "io" |
| 9 | + "net" |
| 10 | + "net/http" |
| 11 | + "sort" |
| 12 | + "strings" |
| 13 | +) |
| 14 | + |
| 15 | +const ( |
| 16 | + GetPlayerBansURL = "/ISteamUser/GetPlayerBans/v1?key=%s&steamids=%s" |
| 17 | + GetServerListURL = "/IGameServersService/GetServerList/v1?key=%s&limit=%d&filter=%s" |
| 18 | +) |
| 19 | + |
| 20 | +var ( |
| 21 | + ErrWrongStatusCode = errors.New("wrong status code") |
| 22 | + ErrEmptyResponse = errors.New("empty response") |
| 23 | +) |
| 24 | + |
| 25 | +// Client is http client for getting requests to ISteamUser api. |
| 26 | +type Client struct { |
| 27 | + config *Config |
| 28 | + http *http.Client |
| 29 | +} |
| 30 | + |
| 31 | +// NewClient creates and returns a new Client instance initialized with the provided configuration. |
| 32 | +func NewClient(cfg *Config) *Client { |
| 33 | + cfg.SetDefaults() |
| 34 | + |
| 35 | + return &Client{ |
| 36 | + config: cfg, |
| 37 | + http: &http.Client{ |
| 38 | + Timeout: cfg.Timeout, |
| 39 | + Transport: &http.Transport{ |
| 40 | + DialContext: (&net.Dialer{ |
| 41 | + Timeout: cfg.Transport.Dialer.Timeout, |
| 42 | + Deadline: cfg.Transport.Dialer.Deadline, |
| 43 | + FallbackDelay: cfg.Transport.Dialer.FallbackDelay, |
| 44 | + KeepAlive: cfg.Transport.Dialer.KeepAlive, |
| 45 | + }).DialContext, |
| 46 | + TLSHandshakeTimeout: cfg.Transport.TLSHandshakeTimeout, |
| 47 | + }, |
| 48 | + }, |
| 49 | + } |
| 50 | +} |
| 51 | + |
| 52 | +// GetPlayerBans returns Community, VAC, and Economy ban statuses for given players. |
| 53 | +// Example URL: http://api.steampowered.com/ISteamUser/GetPlayerBans/v1/?key=XXXXXXXXXXXXXXXXX&steamids=XXXXXXXX,YYYYY |
| 54 | +func (c *Client) GetPlayerBans(steamIDs ...string) ([]PlayerBans, error) { |
| 55 | + response := GetPlayerBansResponse{} |
| 56 | + |
| 57 | + // Return empty ban history with disabled client. |
| 58 | + if c.config.Disabled { |
| 59 | + return response.Players, nil |
| 60 | + } |
| 61 | + |
| 62 | + uri := c.config.URL + fmt.Sprintf(GetPlayerBansURL, c.config.Key, strings.Join(steamIDs, ",")) |
| 63 | + |
| 64 | + body, err := c.sendRequest(context.Background(), http.MethodGet, uri, http.NoBody) |
| 65 | + if err != nil { |
| 66 | + return nil, err |
| 67 | + } |
| 68 | + |
| 69 | + if err := json.Unmarshal(body, &response); err != nil { |
| 70 | + return nil, err |
| 71 | + } |
| 72 | + |
| 73 | + return response.Players, nil |
| 74 | +} |
| 75 | + |
| 76 | +// GetServerList returns Steam servers from filter query. |
| 77 | +// Example URL: http://api.steampowered.com/IGameServersService/GetServerList/v1/?key=XXXXXXXXXXXXXXXXX&limit=X&filter=F |
| 78 | +func (c *Client) GetServerList(filter *GetServerListFilter) ([]Server, error) { |
| 79 | + response := GetServerListResponse{} |
| 80 | + |
| 81 | + // Return empty servers list with disabled client. |
| 82 | + if c.config.Disabled { |
| 83 | + return response.Response.Servers, nil |
| 84 | + } |
| 85 | + |
| 86 | + limit := filter.Limit |
| 87 | + if limit == 0 { |
| 88 | + limit = DefaultLimit |
| 89 | + } |
| 90 | + |
| 91 | + uri := c.config.URL + fmt.Sprintf(GetServerListURL, c.config.Key, limit, filter.String()) |
| 92 | + |
| 93 | + body, err := c.sendRequest(context.Background(), http.MethodGet, uri, http.NoBody) |
| 94 | + if err != nil { |
| 95 | + return nil, err |
| 96 | + } |
| 97 | + |
| 98 | + if err := json.Unmarshal(body, &response); err != nil { |
| 99 | + return nil, err |
| 100 | + } |
| 101 | + |
| 102 | + return c.filterServers(response.Response.Servers, filter), nil |
| 103 | +} |
| 104 | + |
| 105 | +func (c *Client) sendRequest(ctx context.Context, method, uri string, body io.Reader) ([]byte, error) { |
| 106 | + req, err := http.NewRequestWithContext(ctx, method, uri, body) |
| 107 | + if err != nil { |
| 108 | + return nil, err |
| 109 | + } |
| 110 | + |
| 111 | + res, err := c.http.Do(req) |
| 112 | + if err != nil { |
| 113 | + return nil, err |
| 114 | + } |
| 115 | + |
| 116 | + if res != nil { |
| 117 | + defer res.Body.Close() |
| 118 | + } else { |
| 119 | + return nil, ErrEmptyResponse |
| 120 | + } |
| 121 | + |
| 122 | + if res.StatusCode != http.StatusOK { |
| 123 | + return nil, fmt.Errorf("%w: %d %s", ErrWrongStatusCode, res.StatusCode, res.Status) |
| 124 | + } |
| 125 | + |
| 126 | + resBody, err := io.ReadAll(res.Body) |
| 127 | + if err != nil { |
| 128 | + return nil, err |
| 129 | + } |
| 130 | + |
| 131 | + return resBody, nil |
| 132 | +} |
| 133 | + |
| 134 | +func (c *Client) filterServers(servers []Server, filter *GetServerListFilter) []Server { |
| 135 | + if filter.NoHidden || filter.NoDefaultServers { |
| 136 | + removeAddrs := make(map[string]bool) |
| 137 | + |
| 138 | + for i := range servers { |
| 139 | + server := &servers[i] |
| 140 | + |
| 141 | + if filter.NoHidden && strings.Contains(server.GameType, "hidden") { |
| 142 | + removeAddrs[server.Addr] = true |
| 143 | + |
| 144 | + continue |
| 145 | + } |
| 146 | + |
| 147 | + if filter.NoDefaultServers { |
| 148 | + for _, name := range c.config.DefaultServerNames { |
| 149 | + if server.Name == name { |
| 150 | + removeAddrs[server.Addr] = true |
| 151 | + |
| 152 | + continue |
| 153 | + } |
| 154 | + } |
| 155 | + } |
| 156 | + } |
| 157 | + |
| 158 | + servers = c.removeFilteredServers(servers, removeAddrs) |
| 159 | + } |
| 160 | + |
| 161 | + sort.Slice(servers, func(i, j int) bool { |
| 162 | + return servers[i].Players > servers[j].Players |
| 163 | + }) |
| 164 | + |
| 165 | + return servers |
| 166 | +} |
| 167 | + |
| 168 | +func (c *Client) removeFilteredServers(servers []Server, addrs map[string]bool) []Server { |
| 169 | + result := make([]Server, 0, len(servers)) |
| 170 | + |
| 171 | + for i := range servers { |
| 172 | + if _, ok := addrs[servers[i].Addr]; !ok { |
| 173 | + result = append(result, servers[i]) |
| 174 | + } |
| 175 | + } |
| 176 | + |
| 177 | + return result |
| 178 | +} |
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