| 1 | package console |
| 2 | |
| 3 | import ( |
| 4 | "errors" |
| 5 | "fmt" |
| 6 | "log" |
| 7 | "net/http" |
| 8 | "slices" |
| 9 | "strings" |
| 10 | "time" |
| 11 | |
| 12 | "github.com/carlosframework/platform/internal/plans" |
| 13 | ) |
| 14 | |
| 15 | // The account plan door (plans-caps-packs spec §4, §8.7, §9.4): a fleet |
| 16 | // operator reads or sets an account's plan, packs and sponsored limits. |
| 17 | // Everyone else gets 404, the store-approval doors' convention. With no |
| 18 | // catalog configured it answers 409: plans are off. |
| 19 | |
| 20 | type accountPlanReply struct { |
| 21 | Account string `json:"account"` |
| 22 | CatalogID string `json:"catalog_id"` |
| 23 | Plan string `json:"plan"` |
| 24 | Packs map[string]int `json:"packs"` |
| 25 | Source string `json:"source"` |
| 26 | Sponsored *plans.Limits `json:"sponsored,omitempty"` |
| 27 | Reason string `json:"reason,omitempty"` |
| 28 | UpdatedBy string `json:"updated_by,omitempty"` |
| 29 | Revision int64 `json:"revision"` |
| 30 | PublishedRevision int64 `json:"published_revision"` |
| 31 | Limits *plans.Limits `json:"limits,omitempty"` |
| 32 | LimitsError string `json:"limits_error,omitempty"` |
| 33 | } |
| 34 | |
| 35 | type setAccountPlanRequest struct { |
| 36 | Plan string `json:"plan"` |
| 37 | Packs map[string]int `json:"packs"` |
| 38 | Sponsored *plans.Limits `json:"sponsored"` |
| 39 | Reason string `json:"reason"` |
| 40 | } |
| 41 | |
| 42 | // accountPlanDoor is the shared gate: an operator, a known account, and a |
| 43 | // catalog. It writes the refusal itself. |
| 44 | func (s *Server) accountPlanDoor(w http.ResponseWriter, r *http.Request) (string, *Account, bool) { |
| 45 | addr, ok := s.cliUser(w, r) |
| 46 | if !ok { |
| 47 | return "", nil, false |
| 48 | } |
| 49 | isOperator, err := s.store.IsOperator(addr) |
| 50 | if err != nil { |
| 51 | log.Printf("console: api account plan: is-operator: %v", err) |
| 52 | http.NotFound(w, r) |
| 53 | return "", nil, false |
| 54 | } |
| 55 | if !isOperator { |
| 56 | http.NotFound(w, r) |
| 57 | return "", nil, false |
| 58 | } |
| 59 | acct, err := s.store.AccountBySqid(r.PathValue("account")) |
| 60 | if err != nil { |
| 61 | log.Printf("console: api account plan: account lookup: %v", err) |
| 62 | http.NotFound(w, r) |
| 63 | return "", nil, false |
| 64 | } |
| 65 | if acct == nil { |
| 66 | http.NotFound(w, r) |
| 67 | return "", nil, false |
| 68 | } |
| 69 | if s.cfg.PlanCatalog == nil { |
| 70 | jsonError(w, http.StatusConflict, planCopyNoCatalog) |
| 71 | return "", nil, false |
| 72 | } |
| 73 | return addr, acct, true |
| 74 | } |
| 75 | |
| 76 | func (s *Server) handleAPIAccountPlanGet(w http.ResponseWriter, r *http.Request) { |
| 77 | _, acct, ok := s.accountPlanDoor(w, r) |
| 78 | if !ok { |
| 79 | return |
| 80 | } |
| 81 | reply, err := s.accountPlanReplyFor(acct) |
| 82 | if err != nil { |
| 83 | log.Printf("console: api account plan %s: %v", acct.Sqid, err) |
| 84 | jsonError(w, http.StatusInternalServerError, planCopySaveFailed) |
| 85 | return |
| 86 | } |
| 87 | writeJSON(w, http.StatusOK, reply) |
| 88 | } |
| 89 | |
| 90 | func (s *Server) handleAPIAccountPlanSet(w http.ResponseWriter, r *http.Request) { |
| 91 | addr, acct, ok := s.accountPlanDoor(w, r) |
| 92 | if !ok { |
| 93 | return |
| 94 | } |
| 95 | if !s.allowWrite(Principal{Address: addr}, time.Now()) { |
| 96 | jsonError(w, http.StatusTooManyRequests, "too many requests — wait a minute and try again") |
| 97 | return |
| 98 | } |
| 99 | var req setAccountPlanRequest |
| 100 | // Strict: a misspelt sponsored limit must be refused, not dropped. |
| 101 | if !readJSONStrictLimit(w, r, &req, 8<<10) { |
| 102 | return |
| 103 | } |
| 104 | reason := strings.TrimSpace(req.Reason) |
| 105 | if reason == "" { |
| 106 | jsonError(w, http.StatusBadRequest, planCopyReasonRequired) |
| 107 | return |
| 108 | } |
| 109 | if msg := planRequestProblem(s.cfg.PlanCatalog, req); msg != "" { |
| 110 | jsonError(w, http.StatusBadRequest, msg) |
| 111 | return |
| 112 | } |
| 113 | if _, err := s.cfg.PlanCatalog.Effective(req.Plan, req.Packs, req.Sponsored); err != nil { |
| 114 | jsonError(w, http.StatusBadRequest, err.Error()) |
| 115 | return |
| 116 | } |
| 117 | source := PlanSourceOperator |
| 118 | if req.Sponsored != nil { |
| 119 | source = PlanSourceSponsored |
| 120 | } |
| 121 | now := time.Now() |
| 122 | if _, err := s.store.SetAccountPlan(acct.ID, req.Plan, req.Packs, source, req.Sponsored, reason, addr, now); err != nil { |
| 123 | if errors.Is(err, ErrAccountGone) { |
| 124 | http.NotFound(w, r) |
| 125 | return |
| 126 | } |
| 127 | log.Printf("console: api account plan %s: save: %v", acct.Sqid, err) |
| 128 | jsonError(w, http.StatusInternalServerError, planCopySaveFailed) |
| 129 | return |
| 130 | } |
| 131 | if row, err := s.store.AccountPlan(acct.ID); err != nil { |
| 132 | log.Printf("console: api account plan %s: reread: %v", acct.Sqid, err) |
| 133 | } else if row != nil && s.cfg.Releases != nil { |
| 134 | // Best effort: the pass retries anything this misses. |
| 135 | if err := s.publishAccountLimits(r.Context(), *row, now); err != nil { |
| 136 | log.Printf("console: api account plan %s: publish: %v", acct.Sqid, err) |
| 137 | } |
| 138 | } |
| 139 | reply, err := s.accountPlanReplyFor(acct) |
| 140 | if err != nil { |
| 141 | log.Printf("console: api account plan %s: %v", acct.Sqid, err) |
| 142 | jsonError(w, http.StatusInternalServerError, planCopySaveFailed) |
| 143 | return |
| 144 | } |
| 145 | writeJSON(w, http.StatusOK, reply) |
| 146 | } |
| 147 | |
| 148 | // planRequestProblem names what is wrong with a requested plan and packs in |
| 149 | // words an operator can act on, or "" when the catalog can price it. |
| 150 | func planRequestProblem(cat *plans.Catalog, req setAccountPlanRequest) string { |
| 151 | p, ok := cat.Plans[req.Plan] |
| 152 | if !ok { |
| 153 | return fmt.Sprintf(planCopyUnknownPlan, req.Plan) |
| 154 | } |
| 155 | names := make([]string, 0, len(req.Packs)) |
| 156 | for name := range req.Packs { |
| 157 | names = append(names, name) |
| 158 | } |
| 159 | slices.Sort(names) |
| 160 | for _, name := range names { |
| 161 | pk, ok := cat.Packs[name] |
| 162 | if !ok { |
| 163 | return fmt.Sprintf(planCopyUnknownPack, name) |
| 164 | } |
| 165 | if !slices.Contains(p.Packs, name) { |
| 166 | return fmt.Sprintf(planCopyPackNotOffered, req.Plan, name) |
| 167 | } |
| 168 | if q := req.Packs[name]; q < 1 || q > pk.MaxQuantity { |
| 169 | return fmt.Sprintf(planCopyPackQuantity, name, pk.MaxQuantity) |
| 170 | } |
| 171 | } |
| 172 | return "" |
| 173 | } |
| 174 | |
| 175 | func (s *Server) accountPlanReplyFor(acct *Account) (accountPlanReply, error) { |
| 176 | cat := s.cfg.PlanCatalog |
| 177 | row, err := s.store.AccountPlan(acct.ID) |
| 178 | if err != nil { |
| 179 | return accountPlanReply{}, err |
| 180 | } |
| 181 | reply := accountPlanReply{Account: acct.Sqid, CatalogID: cat.ID(), Plan: cat.DefaultPlan, |
| 182 | Packs: map[string]int{}, Source: PlanSourceDefault} |
| 183 | if row != nil { |
| 184 | reply.Plan, reply.Packs, reply.Source = row.Plan, row.Packs, row.Source |
| 185 | reply.Sponsored, reply.Reason, reply.UpdatedBy = row.Sponsored, row.Reason, row.UpdatedBy |
| 186 | reply.Revision, reply.PublishedRevision = row.Revision, row.PublishedRevision |
| 187 | if row.PublishedCatalog != cat.ID() { |
| 188 | reply.PublishedRevision = 0 |
| 189 | } |
| 190 | } |
| 191 | if l, err := cat.Effective(reply.Plan, reply.Packs, reply.Sponsored); err != nil { |
| 192 | reply.LimitsError = err.Error() |
| 193 | } else { |
| 194 | reply.Limits = &l |
| 195 | } |
| 196 | return reply, nil |
| 197 | } |
| 198 | |
amadan