{jrUdZddlmZddlZddlZddlZddlZddlmZm Z ddl m Z ddl m Z mZmZddlmZmZddlmZmZd Zd ed <ej0ej2zej4zej6zZd ed <ed d GddZddZddZddZ ddZ!ddZ"ddZ#ddZ$ddZ%y) z>Strict proof and revalidation for one torn-tail repair target.) annotationsN) dataclassreplace)Final)CustomerIdentityDigestWeeklyOperationsCorruptioncustomer_storage_digest)HistoryValidationvalidate_history_bytes)customer_data_namecustomer_lock_namez.nutricoach-weekly-operations-repair-binding-v1r REPAIR_SCHEMA _FILE_FLAGST)frozenslotsceZdZUded<ded<ded<ded<ded<ded <ded <ded <ded <ded <ded<ded<ded<ded<ded<ded<ded<ded<ded<ded<ded<ded<eddZeddZy)WeeklyOperationsRepairBindingstrschema_versionrcustomer_identity_digestr int data_device data_inode data_mode data_owner data_links lock_device lock_inode lock_mode lock_owner lock_links lock_size lock_digestvalid_prefix_offsetvalid_prefix_digesttorn_tail_lengthtorn_tail_digest file_size file_digestbinding_digestc2|j|jfSN)rrselfs /home/cube/projects/richard/traning coach/task-12-independent-verification-r9/build/hermes-full/dualcoach/profile/checkin_cli/weekly_operations_repair.py data_identityz+WeeklyOperationsRepairBinding.data_identity-00c2|j|jfSr,)rrr-s r/ lock_identityz+WeeklyOperationsRepairBinding.lock_identity1r1r2N)returnztuple[int, int])__name__ __module__ __qualname____annotations__propertyr0r4r2r/rrs44  ONOOONOONN 1111r2rc|jDcic]}|dk7s |t||}}tj|ddj Scc}w)Nr*T),:) sort_keys separators)__dataclass_fields__getattrjsondumpsencode)bindingfieldvalues r/_binding_payloadrI6sU9@9U9U s9UY^brYrUGGU+ +9UE s ::et C J J LL ts AActj|jxrDtj|j|k(xr |j|k(xr|j |k(Sr,)statS_ISREGst_modeS_IMODEst_uidst_nlink)infomodeownerlinkss r/ _safe_filerU;sd << % A$,,t||*D*L AQUQ\Q\`eQe Ajnjwjw|AkAAr2ctjt|j}|j|j cxk(xrdk(ncxr\|j |jcxk(xrtjk(ncxr$|j|jcxk(xrdk(nc}|jtk7sw|j|k7sh|jt|j k7sF|j"dks7|j$dks(|j&|j"|j$zk7s|s t)dy)Nrzrepair binding is invalid)hashlibsha256rI hexdigestrrrr osgeteuidrr!rrr*r rr$r&r(r)rFexpectedsafes r/validate_repair_bindingr`?s~~.w78BBDH    1 1 :U : jw?Q?QU\UgUg?wkmkukukw?w j}D}O}OSZSeSe}jij}jD.'2H2HH2TX_XwXw|ST[TtTt|uYuy@yTyTXYyY]d]u]uyz]z~E~O~OSZSnSnqxqIqISI~IQU()DEEQUr2c tj|t|} tj |}tj ||d}t|dtjdr1|j|jf|j|jfk7r t dg}tj|d x}r*|j|tj|d x}r*|d j|ftj|S#t$r}t d|d}~wwxYw#tj|wxYw) Ndir_fdz$repair data file is absent or unsafeFrcfollow_symlinksrWrXrRrSrTz#repair data file identity is unsafer2r\openrOSErrorrfstatrKrUr]st_devst_inoreadappendjoinclose customersname descriptorerrorrQnamedchunkschunks r/_read_existingrzFs'\WWT;yA  xx #YF$U"**,aHT[[Z^ZeZeLfkpkwkwy~zFzFkGMG,-RS S wwz511e1 MM% wwz511e1SXXf%%  \()OPV[[\ )DC D2-D2 D/ D**D/2E c tj|t|} tj |}tj ||d}t|dtjdr1|j|jf|j|jfk7r t dg}tj|d x}r*|j|tj|d x}r*|d j|ftj|S#t$r}t d|d}~wwxYw#tj|wxYw) Nrbz%repair requires an existing safe lockFrdrWrXrfzrepair lock identity is unsafergr2rhrrs r/ _read_lockr}Xs']WWT;yA  xx #YF$U"**,aHT[[Z^ZeZeLfkpkwkwy~zFzFkGMG,-MN N wwz511e1 MM% wwz511e1SXXf%%  ]()PQW\\] r{cTt|}t|t|\}}t|||d}|jdks|j|j k\r t dt|t|\}}|d|j}||jd} tt|||j|jtj|j|j |j"|j|jtj|j|j |j"t%|t'j(|j+|jt'j(|j+t%| t'j(| j+t%|t'j(|j+d} t-| t'j(t/| j+S)z=Issue a binding only for one positive, unambiguous torn tail.Texpected_customerallow_torn_tailrz+repair target is not one positive torn tailN)r*)r rzr r complete_endsizerr}r rrrlrmrKrNrMrOrPlenrYrZr[rrI) rscustomer_identitystorage_digest data_infopayload validated lock_info lock_payloadprefixtail provisionals r/inspect_repair_targetrjs,->?N' 3EFW3XYIw&wRcuyzI"i&<&< &N()VWW(4FGX4YZI| -y-- .F 9))+ ,D/ Y&&' Y&&' L|$..0v((* D t&&( G w))+ -K0 ;w~~>N{>[/\/f/f/h iir2c t|t||j|j|jrm|j |j f|jk7sHt||jk7s0tj|j|jk7r tdt||j |j"d}|d|j$}||j$d}|j$|j&k7sxt||j(k7s`tj|j|j*k7s0tj|j|j,k7r td|S)zERevalidate exact file identity, content, prefix, and tail under lock.rfz$repair target changed after issuanceTrNz2repair offsets or torn tail changed after issuance)r`rUrrrrlrmr0rr(rYrZr[r)rr r rrr$r&r%r')rFrQrrrrs r/validate_bound_repair_payloadrsG$ d!2!2':L:LT[TfTf glplwlwy}zEzElFJQJ_J_l_cfgncoszsDsDcDHOHVHVW^H_HiHiHkovoBoBHB()OPP&w0O0OcjdDdDVZ[I -y-- .F 9))+ ,D!rsD" *uu[WG uG[[2==02<<?"--O UO $d#11$1BM AF$$"jJ Or2